Vulnerability Name:

CVE-2021-4216 (CCN-234601)

Assigned:2022-01-18
Published:2022-01-18
Updated:2022-08-31
Summary:A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-369
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-4216

Source: MISC
Type: Permissions Required
https://bugs.ghostscript.com/show_bug.cgi?id=704834

Source: XF
Type: UNKNOWN
artifex-cve20214216-dos(234601)

Source: CCN
Type: Mupdf GIT Repository
Bug 704834: Fix division by zero for zero width pages in muraster

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf

Source: CCN
Type: Mend Vulnerability Database
CVE-2021-4216

Vulnerable Configuration:Configuration 1:
  • cpe:/a:artifex:mupdf:*:*:*:*:*:*:*:* (Version < 1.20.0)

    • Configuration CCN 1:
  • cpe:/a:artifex:mupdf:1.17.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:436
    P
    		Security update for mupdf (Moderate)
    2022-09-17
    BACK
    artifex mupdf *
    artifex mupdf 1.17.0 -