Vulnerability Name:

CVE-2020-25275 (CCN-194124)

Assigned:2020-09-11
Published:2021-01-04
Updated:2022-09-02
Summary:Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.
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
7.5 High (CCN 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 (CCN 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
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-25275

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20210106 CVE-2020-24386: IMAP hibernation allows accessing other peoples mail

Source: CONFIRM
Type: Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/01/04/3

Source: CONFIRM
Type: Mailing List, Vendor Advisory
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html

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

Source: XF
Type: UNKNOWN
oxsoftware-cve202025275-dos(194124)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-c90cb486f7

Source: CCN
Type: oss-sec Mailing List, Mon, 4 Jan 2021 14:03:19 +0200
CVE-2020-25275: Dovecot: MIME parsing crash

Source: GENTOO
Type: Third Party Advisory
GLSA-202101-01

Source: DEBIAN
Type: Third Party Advisory
DSA-4825

Source: CCN
Type: OX Software Web site
Dovecot

Vulnerable Configuration:Configuration 1:
  • cpe:/a:dovecot:dovecot:*:*:*:*:*:*:*:* (Version < 2.3.13)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

    • 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 IDClassTitleLast Modified
    oval:org.opensuse.security:def:7908
    P
    		libIlmImf-2_2-23-2.2.1-3.41.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7982
    P
    		wavpack-5.4.0-150000.4.15.1 on GA media (Moderate)
    2023-06-12
    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:95103
    P
    		dovecot23-2.3.15-58.3 on GA media (Moderate)
    2022-06-22
    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:2235
    P
    		dovecot23-2.3.11.3-17.5.1 on GA media (Moderate)
    2021-08-10
    oval:com.redhat.rhsa:def:20211887
    P
    		RHSA-2021:1887: dovecot security and bug fix update (Moderate)
    2021-05-18
    oval:org.opensuse.security:def:110668
    P
    		Security update for dovecot23 (Important)
    2021-01-16
    oval:org.opensuse.security:def:111210
    P
    		Security update for dovecot23 (Important)
    2021-01-07
    oval:org.opensuse.security:def:98741
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:109419
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:118515
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:70286
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:8646
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:102753
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:68997
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:97166
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:91791
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:9392
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:69071
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:97168
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:96063
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:10146
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:105431
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:69532
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    oval:org.opensuse.security:def:97170
    P
    		Security update for dovecot23 (Important)
    2021-01-05
    BACK
    dovecot dovecot *
    debian debian linux 10.0
    fedoraproject fedora 32