Vulnerability Name:

CVE-2021-45005 (CCN-219972)

Assigned:2021-12-06
Published:2021-12-06
Updated:2022-02-22
Summary:Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
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
9.8 Critical (CCN 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 (CCN 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
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
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
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-2021-45005

Source: MISC
Type: Permissions Required
https://bugs.ghostscript.com/show_bug.cgi?id=704749

Source: XF
Type: UNKNOWN
artifex-cve202145005-bo(219972)

Source: CCN
Type: MuJS GIT Repository
Bug 704749: Clear jump list after patching jump addresses

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/ccxvii/mujs/commit/df8559e7bdbc6065276e786217eeee70f28fce66

Vulnerable Configuration:Configuration 1:
  • cpe:/a:artifex:mujs:1.1.3:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:artifex:mujs:1.1.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    artifex mujs 1.1.3
    artifex mujs 1.1.3