Vulnerability Name:

CVE-2020-9273 (CCN-176660)

Assigned:2020-02-19
Published:2020-02-19
Updated:2021-09-14
Summary:In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-416
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-9273

Source: SUSE
Type: Mailing List, Third Party Advisory
openSUSE-SU-2020:0273

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20210824 Possible memory leak on getspnam / getspnam_r

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20210906 Re: Possible memory leak on getspnam / getspnam_r

Source: CONFIRM
Type: Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf

Source: XF
Type: UNKNOWN
proftpd-cve20209273-pool-code-exec(176660)

Source: CONFIRM
Type: Release Notes, Third Party Advisory
https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES

Source: CCN
Type: ProFTPD GIT Repository
Use-after-free vulnerability in memory pools during data transfer #903

Source: CONFIRM
Type: Third Party Advisory
https://github.com/proftpd/proftpd/issues/903

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20200221 [SECURITY] [DLA 2115-1] proftpd-dfsg security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20200302 [SECURITY] [DLA 2115-2] proftpd-dfsg regression update

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-876b1f664e

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-76c707cff0

Source: GENTOO
Type: Third Party Advisory
GLSA-202003-35

Source: DEBIAN
Type: Third Party Advisory
DSA-4635

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-9273

Vulnerable Configuration:Configuration 1:
  • cpe:/a:proftpd:proftpd:1.3.7:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
  • OR cpe:/a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
  • OR cpe:/o:opensuse:leap:15.1:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:siemens:simatic_net_cp_1545-1_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:simatic_net_cp_1545-1:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:siemens:simatic_net_cp_1543-1_firmware:*:*:*:*:*:*:*:* (Version < 3.0)
  • AND
  • cpe:/h:siemens:simatic_net_cp_1543-1:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:proftpd:proftpd:1.3.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20209273
    V
    		CVE-2020-9273
    2022-06-30
    oval:org.opensuse.security:def:113176
    P
    		proftpd-1.3.6e-1.10 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:74746
    P
    		Security update for go1.17 (Moderate)
    2021-12-01
    oval:org.opensuse.security:def:106598
    P
    		proftpd-1.3.6e-1.10 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:63247
    P
    		yast2-rmt-1.2.1-1.25 on GA media (Moderate)
    2021-09-21
    oval:org.opensuse.security:def:64559
    P
    		Security update for aspell (Important)
    2021-08-20
    oval:org.opensuse.security:def:63450
    P
    		python2-SQLAlchemy-1.2.14-6.3.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:62748
    P
    		gdk-pixbuf-query-loaders-32bit-2.40.0-3.3.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62751
    P
    		gnome-desktop-lang-3.34.7-3.3.2 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62776
    P
    		libavcodec57-3.4.2-9.2 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62744
    P
    		ftdump-2.10.1-4.8.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:93573
    P
    		 (Moderate)
    2021-07-20
    oval:org.opensuse.security:def:100286
    P
    		 (Important)
    2021-06-02
    oval:org.opensuse.security:def:64501
    P
    		Security update for lz4 (Important)
    2021-05-19
    oval:org.opensuse.security:def:64671
    P
    		Security update for ruby2.5 (Important)
    2021-03-24
    oval:org.opensuse.security:def:62954
    P
    		graphviz-perl-2.40.1-6.3.2 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:64292
    P
    		libFS-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63826
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:64399
    P
    		libvmtools-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:74613
    P
    		Security update for python-reportlab (Important)
    2020-12-01
    oval:org.opensuse.security:def:64155
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:64291
    P
    		lftp on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:110408
    P
    		Security update for proftpd (Moderate)
    2020-03-01
    oval:com.ubuntu.bionic:def:202092730000000
    V
    		CVE-2020-9273 on Ubuntu 18.04 LTS (bionic) - medium.
    2020-02-20
    oval:com.ubuntu.xenial:def:202092730000000
    V
    		CVE-2020-9273 on Ubuntu 16.04 LTS (xenial) - medium.
    2020-02-20
    BACK
    proftpd proftpd 1.3.7
    debian debian linux 8.0
    debian debian linux 9.0
    debian debian linux 10.0
    fedoraproject fedora 30
    fedoraproject fedora 31
    opensuse backports sle 15.0 -
    opensuse backports sle 15.0 sp1
    opensuse leap 15.1
    siemens simatic net cp 1545-1 firmware -
    siemens simatic net cp 1545-1 -
    siemens simatic net cp 1543-1 firmware *
    siemens simatic net cp 1543-1 -
    proftpd proftpd 1.3.7