Vulnerability CVE-2020-10957

Vulnerability Name:

CVE-2020-10957 (CCN-182061)

Assigned:

2020-05-18

Published:

2020-05-18

Updated:

2020-05-28

Summary:

In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-476
CWE-400

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-10957

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2020:0720

Source: MISC
Type: UNKNOWN
http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html

Source: FULLDISC
Type: Exploit, Third Party Advisory
20200519 Multiple vulnerabilities in Dovecot IMAP server

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20200518 Multiple vulnerabilities in Dovecot IMAP server

Source: CCN
Type: Dovecot Web site
Dovecot

Source: MISC
Type: Vendor Advisory
https://dovecot.org/security

Source: XF
Type: UNKNOWN
dovecot-cve202010957-dos(182061)

Source: FEDORA
Type: UNKNOWN
FEDORA-2020-b60344c987

Source: FEDORA
Type: UNKNOWN
FEDORA-2020-1dee17d880

Source: CCN
Type: Packet Storm Security [05-19-2020]
Open-Xchange Dovecot 2.3.10 Null Pointer Dereference / Denial Of Service

Source: CCN
Type: oss-sec Mailing List, Mon, 18 May 2020 15:03:33 +0300 (EEST)
Multiple vulnerabilities in Dovecot IMAP server

Source: UBUNTU
Type: UNKNOWN
USN-4361-1

Source: DEBIAN
Type: UNKNOWN
DSA-4690

Source: CONFIRM
Type: Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/05/18/1

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-10957

Vulnerable Configuration:

Configuration 1:

cpe:/a:dovecot:dovecot:*:*:*:*:*:*:*:* (Version < 2.3.10.1)

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration RedHat 3:

cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:52000	P	Security update for less (Moderate)	2023-02-10
oval:org.opensuse.security:def:51957	P	Security update for dpkg (Low)	2022-11-18
oval:org.opensuse.security:def:51950	P	Security update for kubevirt stack (Important)	2022-11-14
oval:org.opensuse.security:def:202010957	V	CVE-2020-10957	2022-09-02
oval:org.opensuse.security:def:5301	P	Security update for java-1_8_0-ibm (Important)	2022-07-23
oval:org.opensuse.security:def:4631	P	Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP5) (Important)	2022-06-28
oval:org.opensuse.security:def:4636	P	Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5) (Important)	2022-06-28
oval:org.opensuse.security:def:3473	P	dnsmasq-2.78-18.9.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:4638	P	Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP5) (Important)	2022-06-28
oval:org.opensuse.security:def:95103	P	dovecot23-2.3.15-58.3 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:5276	P	Security update for openssl-1_0_0 (Important)	2022-06-16
oval:org.opensuse.security:def:4619	P	Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP5) (Important)	2022-06-06
oval:org.opensuse.security:def:4626	P	Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5) (Important)	2022-06-06
oval:org.opensuse.security:def:4618	P	Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Important)	2022-06-06
oval:org.opensuse.security:def:4604	P	Security update for the Linux Kernel (Important)	2022-05-16
oval:org.opensuse.security:def:4591	P	Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP5) (Important)	2022-04-25
oval:org.opensuse.security:def:4570	P	Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP5) (Important)	2022-04-13
oval:org.opensuse.security:def:4705	P	Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5) (Important)	2022-03-29
oval:org.opensuse.security:def:112172	P	dovecot23-2.3.16-1.6 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:4175	P	Security update for libaom (Moderate)	2021-12-23
oval:org.opensuse.security:def:64818	P	Security update for openssh (Important)	2021-12-06
oval:org.opensuse.security:def:94201	P	(Moderate)	2021-12-03
oval:org.opensuse.security:def:5160	P	Security update for ruby2.1 (Important)	2021-12-01
oval:org.opensuse.security:def:51691	P	Security update for samba (Important)	2021-11-19
oval:org.opensuse.security:def:4519	P	Security update for the Linux Kernel (Important)	2021-11-19
oval:org.opensuse.security:def:5138	P	Security update for python3 (Moderate)	2021-10-20
oval:org.opensuse.security:def:4505	P	Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP5) (Important)	2021-10-14
oval:org.opensuse.security:def:4501	P	Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP5) (Important)	2021-10-14
oval:org.opensuse.security:def:4496	P	Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP5) (Important)	2021-10-12
oval:org.opensuse.security:def:4500	P	Security update for the Linux Kernel (Important)	2021-10-12
oval:org.opensuse.security:def:4158	P	Security update for libaom (Low)	2021-10-12
oval:org.opensuse.security:def:4728	P	Security update for the Linux Kernel (Important)	2021-10-12
oval:org.opensuse.security:def:105704	P	dovecot23-2.3.16-1.6 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:4493	P	Security update for the Linux Kernel (Important)	2021-09-23
oval:org.opensuse.security:def:4492	P	Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP5) (Important)	2021-09-16
oval:org.opensuse.security:def:4488	P	Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP5) (Important)	2021-09-16
oval:org.opensuse.security:def:4485	P	Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP5) (Important)	2021-09-16
oval:org.opensuse.security:def:4212	P	Security update for fetchmail (Moderate)	2021-08-20
oval:org.opensuse.security:def:4475	P	Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP5) (Important)	2021-08-17
oval:org.opensuse.security:def:63324	P	dovecot23-2.3.11.3-17.5.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:63101	P	postgresql12-12.6-8.16.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:2235	P	dovecot23-2.3.11.3-17.5.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:100914	P	libical3-3.0.6-4.3.1 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:72706	P	FastCGI-2.4.0-2.23 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:4208	P	Security update for webkit2gtk3 (Important)	2021-08-03
oval:org.opensuse.security:def:4459	P	Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP5) (Important)	2021-07-27
oval:org.opensuse.security:def:51615	P	Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP3) (Important)	2021-07-21
oval:org.opensuse.security:def:64546	P	Security update for systemd (Moderate)	2021-07-20
oval:org.opensuse.security:def:4205	P	Security update for caribou (Important)	2021-07-20
oval:org.opensuse.security:def:4563	P	Security update for the Linux Kernel (Important)	2021-07-15
oval:org.opensuse.security:def:4439	P	Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5) (Important)	2021-07-14
oval:org.opensuse.security:def:4438	P	Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP5) (Important)	2021-07-14
oval:org.opensuse.security:def:1614	P	Security update for ovmf (Important)	2021-06-22
oval:org.opensuse.security:def:51590	P	Security update for apache2 (Important)	2021-06-17
oval:org.opensuse.security:def:4198	P	Security update for libjpeg-turbo (Moderate)	2021-06-11
oval:org.opensuse.security:def:64706	P	Security update for libX11 (Important)	2021-06-08
oval:org.opensuse.security:def:70226	P	Security update for dhcp (Important)	2021-06-02
oval:org.opensuse.security:def:69471	P	Security update for shim (Important)	2021-06-01
oval:org.opensuse.security:def:51894	P	Security update for curl (Moderate)	2021-05-27
oval:org.opensuse.security:def:51882	P	Security update for cups (Important)	2021-04-30
oval:org.opensuse.security:def:4395	P	Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP5) (Important)	2021-04-28
oval:org.opensuse.security:def:51759	P	Security update for nghttp2 (Important)	2021-03-24
oval:org.opensuse.security:def:51178	P	Security update for compat-openssl098 (Moderate)	2021-03-16
oval:org.opensuse.security:def:52022	P	Security update for wpa_supplicant (Important)	2021-03-09
oval:org.opensuse.security:def:64648	P	Security update for bind (Important)	2021-02-18
oval:org.opensuse.security:def:51156	P	Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP2) (Important)	2021-02-10
oval:org.opensuse.security:def:66870	P	Security update for MozillaFirefox (Important)	2021-01-29
oval:org.opensuse.security:def:4275	P	Security update for hawk2 (Critical)	2021-01-22
oval:org.opensuse.security:def:66778	P	Security update for dnsmasq (Important)	2021-01-19
oval:org.opensuse.security:def:73443	P	Security update for the Linux Kernel (Important)	2021-01-14
oval:org.opensuse.security:def:51863	P	Security update for xen (Moderate)	2020-12-22
oval:org.opensuse.security:def:51484	P	Security update for clamav (Important)	2020-12-22
oval:org.opensuse.security:def:4371	P	Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP5) (Important)	2020-12-07
oval:org.opensuse.security:def:4362	P	Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP5) (Important)	2020-12-07
oval:org.opensuse.security:def:63259	P	dovecot23-2.3.10-15.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63597	P	libwpd-0_10-10-0.10.2-3.3.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:4043	P	libraptor-devel-2.0.10-3.63 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:107580	P	dovecot23-2.3.10-15.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62898	P	dpkg-1.19.0.4-2.30 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:117138	P	dovecot23-2.3.10-15.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62923	P	perl-doc-5.26.1-7.6.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:4074	P	libvorbis-devel-1.3.3-10.14.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:2170	P	dovecot23-2.3.10-15.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:3991	P	libidn-devel-1.28-5.6.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:4086	P	libzmq3-4.0.4-15.3.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62891	P	build-20190128-3.3.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63394	P	xalan-j2-2.7.2-2.41 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:4003	P	liblcms2-devel-2.7-9.7.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:4102	P	obs-service-set_version-0.5.11-1.3.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62895	P	ctags-5.8-1.27 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:3983	P	libgnutls-devel-3.3.27-3.3.1 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:64439	P	Security update for python3 (Important)	2020-12-02
oval:org.opensuse.security:def:4378	P	Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1) (Important)	2020-12-02
oval:org.opensuse.security:def:4379	P	Security update for the Linux Kernel (Important)	2020-12-02
oval:org.opensuse.security:def:4781	P	Security update for subversion (Moderate)	2020-12-02
oval:org.opensuse.security:def:4253	P	Security update for the Linux Kernel (Live Patch 9 for SLE 15) (Important)	2020-12-02
oval:org.opensuse.security:def:5419	P	Security update for ipmitool (Important)	2020-12-02
oval:org.opensuse.security:def:4317	P	Security update for the Linux Kernel (Live Patch 4 for SLE 15) (Important)	2020-12-02
oval:org.opensuse.security:def:73561	P	Security update for python3 (Important)	2020-12-02
oval:org.opensuse.security:def:4758	P	Security update for squid (Important)	2020-12-02
oval:org.opensuse.security:def:4850	P	Security update for postgresql10 (Important)	2020-12-02
oval:org.opensuse.security:def:5447	P	Security update for dovecot23 (Important)	2020-12-02
oval:org.opensuse.security:def:4350	P	Security update for the Linux Kernel (Live Patch 14 for SLE 15) (Important)	2020-12-02
oval:org.opensuse.security:def:4871	P	Security update for dovecot23 (Important)	2020-12-02
oval:org.opensuse.security:def:4765	P	Security update for yast2-rmt (Important)	2020-12-02
oval:org.opensuse.security:def:64438	P	Security update for python-cryptography (Moderate)	2020-12-02
oval:org.opensuse.security:def:4261	P	Security update for the Linux Kernel (Important)	2020-12-02
oval:org.opensuse.security:def:4771	P	Security update for xen (Important)	2020-12-02
oval:org.opensuse.security:def:50684	P	Security update for sysstat (Moderate)	2020-12-01
oval:org.opensuse.security:def:51320	P	Security update for MozillaFirefox (Important)	2020-12-01
oval:org.opensuse.security:def:50784	P	Security update for targetcli-fb (Moderate)	2020-12-01
oval:org.opensuse.security:def:51345	P	Security update for freetype2 (Important)	2020-12-01
oval:org.opensuse.security:def:52274	P	Security update for mariadb (Moderate)	2020-12-01
oval:org.opensuse.security:def:50500	P	Security update for ucode-intel (Important)	2020-12-01
oval:org.opensuse.security:def:53302	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:72824	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:53407	P	Security update for nodejs8 (Important)	2020-12-01
oval:org.opensuse.security:def:50889	P	Security update for LibreOffice (Moderate)	2020-12-01
oval:org.opensuse.security:def:50818	P	Security update for e2fsprogs (Moderate)	2020-12-01
oval:org.opensuse.security:def:69366	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:50806	P	Security update for postgresql10 (Important)	2020-12-01
oval:org.opensuse.security:def:51450	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:52089	P	Security update for ghostscript (Important)	2020-12-01
oval:org.opensuse.security:def:63744	P	Security update for openexr (Moderate)	2020-12-01
oval:org.opensuse.security:def:74760	P	Security update for chromium (Important)	2020-12-01
oval:org.opensuse.security:def:50661	P	Security update for openldap2 (Moderate)	2020-12-01
oval:org.opensuse.security:def:53477	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:53550	P	Security update for tigervnc (Critical)	2020-12-01
oval:org.opensuse.security:def:50501	P	Security update for ncurses (Moderate)	2020-12-01
oval:org.opensuse.security:def:51052	P	Security update for slirp4netns (Important)	2020-12-01
oval:org.opensuse.security:def:51053	P	Security update for cni-plugins (Moderate)	2020-12-01
oval:org.opensuse.security:def:52056	P	Security update for mariadb (Moderate)	2020-12-01
oval:org.opensuse.security:def:50942	P	Security update for libX11 (Important)	2020-12-01
oval:org.opensuse.security:def:64302	P	libXfont-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:52161	P	Security update for ldb (Moderate)	2020-12-01
oval:org.opensuse.security:def:70121	P	libthai0-32bit on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:63973	P	Security update for ntp (Moderate)	2020-12-01
oval:org.opensuse.security:def:50001	P	gnuplot on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:50783	P	Security update for grub2 (Important)	2020-12-01
oval:org.opensuse.security:def:53622	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:66043	P	Security update for python (Moderate)	2020-12-01
oval:org.opensuse.security:def:50523	P	Security update for python-numpy (Important)	2020-12-01
oval:org.opensuse.security:def:51776	P	Security update for opencv (Moderate)	2020-12-01
oval:org.opensuse.security:def:50662	P	Security update for openssl-1_1 (Moderate)	2020-12-01
oval:org.opensuse.security:def:51216	P	Security update for MozillaFirefox (Important)	2020-12-01
oval:org.opensuse.security:def:52131	P	Security update for virglrenderer (Important)	2020-12-01
oval:org.opensuse.security:def:52196	P	Security update for python-reportlab (Important)	2020-12-01
oval:org.opensuse.security:def:50055	P	dovecot23 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:74893	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:53233	P	Security update for dpdk (Moderate)	2020-12-01
oval:org.opensuse.security:def:66135	P	Security update for dovecot23 (Important)	2020-12-01
oval:org.opensuse.security:def:50656	P	Security update for python-urllib3 (Moderate)	2020-12-01
oval:org.opensuse.security:def:51848	P	Security update for virglrenderer (Important)	2020-12-01
oval:com.redhat.rhsa:def:20202901	P	RHSA-2020:2901: dovecot security update (Important)	2020-07-13
oval:org.opensuse.security:def:110555	P	Security update for dovecot23 (Important)	2020-05-26
oval:org.opensuse.security:def:98684	P	Security update for dovecot23 (Important)	2020-05-22
oval:org.opensuse.security:def:91734	P	Security update for dovecot23 (Important)	2020-05-22
oval:org.opensuse.security:def:105374	P	Security update for dovecot23 (Important)	2020-05-22

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