CVE-2023-22485

Published on: Not Yet Published

Last Modified on: 02/02/2023 02:11:00 PM UTC

CVE-2023-22485 - advisory for GHSA-c944-cv5f-hpvr

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Certain versions of Cmark-gfm from Github contain the following vulnerability:

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the `validate_protocol` function. We believe this bug is harmless in practice, because the out-of-bounds read accesses `malloc` metadata without causing any visible damage.This vulnerability has been patched in 0.29.0.gfm.7.

  • CVE-2023-22485 has been assigned by URL Logo security-adviso[email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo github - cmark-gfm version = < 0.29.0.gfm.7

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED LOW NONE NONE

CVE References

Description Tags Link
out-of-bounds read in validate_protocol · Advisory · github/cmark-gfm · GitHub github.com
text/html
URL Logo MISC github.com/github/cmark-gfm/security/advisories/GHSA-c944-cv5f-hpvr

Exploit/POC from Github

cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0…

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationGithubCmark-gfmAllAllAllAll
  • cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2023-22485 : cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C.… twitter.com/i/web/status/1… 2023-01-24 01:03:50
Reddit Logo Icon /r/netcve CVE-2023-22485 2023-01-24 01:40:24
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