GHSA-8hqf-xjwp-p67v
Suggest an improvement- Source
- https://github.com/advisories/GHSA-8hqf-xjwp-p67v
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-8hqf-xjwp-p67v/GHSA-8hqf-xjwp-p67v.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-8hqf-xjwp-p67v
- Aliases
- Published
- 2023-03-28T14:40:29Z
- Modified
- 2023-11-08T04:12:12.562387Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- Comrak vulnerable to quadratic runtime issues when parsing Markdown (GHSL-2023-047)
- Details
-
Impact
A range of quadratic parsing issues from
cmark/cmark-gfmare also present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown.Patches
0.17.0 contains fixes to known quadratic parsing issues.
Workarounds
n/a
References
- https://github.com/commonmark/cmark/issues/255
- https://github.com/commonmark/cmark/issues/389
- https://github.com/commonmark/cmark/issues/373
- https://github.com/commonmark/cmark/issues/299
- https://github.com/commonmark/cmark/issues/388
- https://github.com/commonmark/cmark/issues/284
- https://github.com/commonmark/cmark/issues/218
- https://github.com/commonmark/cmark/pull/232
- https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L63-L65
- https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L87-L89
- References
-
- https://github.com/kivikakk/comrak/security/advisories/GHSA-8hqf-xjwp-p67v
- https://nvd.nist.gov/vuln/detail/CVE-2023-28626
- https://github.com/commonmark/cmark/issues/389
- https://github.com/commonmark/cmark/issues/388
- https://github.com/commonmark/cmark/issues/373
- https://github.com/commonmark/cmark/issues/299
- https://github.com/commonmark/cmark/issues/284
- https://github.com/commonmark/cmark/issues/255
- https://github.com/commonmark/cmark/issues/218
- https://github.com/commonmark/cmark/pull/232
- https://github.com/kivikakk/comrak/commit/ce795b7f471b01589f842dc09af38b025701178d
- https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L63-L65
- https://github.com/github/cmark-gfm/blob/c32ef78bae851cb83b7ad52d0fbff880acdcd44a/test/pathological_tests.py#L87-L89
- https://github.com/kivikakk/comrak
- https://github.com/kivikakk/comrak/releases/tag/0.17.0
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OUYME2VA555X6567H7ORIJQFN4BVGT6N
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTWZWCT7KCX2KTXTLPUYZ3EHOONG4X46
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VQ3UBC7LE4VPCMZBTADIBL353CH7CPVV
Affected packages
crates.io / comrak
Package
- Name
- comrak
- View open source insights on deps.dev
- Purl
- pkg:cargo/comrak