CVE-2023-22485
Published on: Not Yet Published
Last Modified on: 02/02/2023 02:11:00 PM UTC
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
security-adviso[email protected] to track the vulnerability - currently rated as MEDIUM severity.
- Affected Vendor/Software:
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 |
![]() |
There are currently no QIDs associated with this CVE
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 |
---|---|---|---|---|---|---|
Application | Github | Cmark-gfm | All | All | All | All |
- cpe:2.3:a:github:cmark-gfm:*:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE
Social Mentions
Source | Title | Posted (UTC) |
---|---|---|
![]() |
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 |
![]() |
CVE-2023-22485 | 2023-01-24 01:40:24 |