Vulnerability Name:

CVE-2021-46829 (CCN-231968)

Assigned:2022-07-24
Published:2022-07-24
Updated:2022-10-27
Summary:GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-46829

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20220725 Re: CVE Request: heap buffer overflow in gdk-pixbuf

Source: XF
Type: UNKNOWN
gnome-cve202146829-bo(231968)

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/pedrib/PoC/blob/master/fuzzing/CVE-2021-46829/CVE-2021-46829.md

Source: MISC
Type: Patch, Third Party Advisory
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/5398f04d772f7f8baf5265715696ed88db0f0512

Source: MISC
Type: Patch, Third Party Advisory
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/bca00032ad68d0b0aa2c1f7558db931e52bd9cd2

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190

Source: CCN
Type: gdk-pixbuf GIT Repository
gif: Check for overflow when compositing or clearing frames.

Source: MISC
Type: Exploit, Third Party Advisory
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-7254ec5e96

Source: CCN
Type: oss-sec Mailing List, Mon, 25 Jul 2022 12:15:40 +0700
Re: CVE Request: heap buffer overflow in gdk-pixbuf

Source: DEBIAN
Type: Third Party Advisory
DSA-5228

Source: MISC
Type: Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/07/23/1

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnome:gdk-pixbuf:*:*:*:*:*:*:*:* (Version < 2.42.8)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:gnome:gdk-pixbuf:2.42.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7503
    P
    gdk-pixbuf-devel-2.42.9-150400.5.6.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:725
    P
    Security update for gdk-pixbuf (Moderate)
    2022-09-02
    oval:org.opensuse.security:def:3645
    P
    Security update for gdk-pixbuf (Moderate) (in QA)
    2022-07-29
    oval:org.opensuse.security:def:95275
    P
    Security update for gdk-pixbuf (Moderate) (in QA)
    2022-07-29
    BACK
    gnome gdk-pixbuf *
    fedoraproject fedora 35
    debian debian linux 11.0
    gnome gdk-pixbuf 2.42.0