Vulnerability Name:

CVE-2021-30473 (CCN-201355)

Assigned:2021-05-01
Published:2021-05-01
Updated:2021-06-17
Summary:aom_image.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
User Interaction (UI): None
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:7.5 High (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-763
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-30473

Source: CCN
Type: AOMedia GIT Repository
Add a test that reproduces issue 2998

Source: MISC
Type: Patch, Third Party Advisory
https://aomedia.googlesource.com/aom/+/4efe20e99dcd9b6f8eadc8de8acc825be7416578

Source: MISC
Type: Permissions Required, Third Party Advisory
https://bugs.chromium.org/p/aomedia/issues/detail?id=2998

Source: XF
Type: UNKNOWN
aomedia-cve202130473-code-exec(201355)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-1c3f7963a5

Vulnerable Configuration:Configuration 1:
  • cpe:/a:aomedia:aomedia:*:*:*:*:*:*:*:* (Version < 2021-04-07)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:101757
    P
    Security update for libaom (Moderate)
    2022-04-27
    oval:org.opensuse.security:def:1066
    P
    Security update for libaom (Moderate)
    2022-04-27
    oval:org.opensuse.security:def:119078
    P
    Security update for libaom (Moderate)
    2022-04-27
    oval:org.opensuse.security:def:453
    P
    Security update for libaom (Moderate)
    2022-04-27
    BACK
    aomedia aomedia *
    fedoraproject fedora 34