Out-of-bounds Read Affecting commonmarker package, versions <0.23.7
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.09% (41st
percentile)
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Test your applications- Snyk ID SNYK-RUBY-COMMONMARKER-3318398
- published 24 Jan 2023
- disclosed 24 Jan 2023
- credit Kevin Backhouse
Introduced: 24 Jan 2023
CVE-2023-22485 Open this link in a new tabHow to fix?
Upgrade commonmarker to version 0.23.7 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the validate_protocol() function in extensions/autolink.c, which exposes malloc metadata.
NOTE: The maintainers believe this is harmless.
PoC
echo "to:person@example.com" | ./src/cmark-gfm -e autolink
References
CVSS Scores
version 3.1