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THREATINT
PUBLISHED

CVE-2024-7592

Quadratic complexity parsing cookies with backslashes



Description

There is a LOW severity vulnerability affecting CPython, specifically the 'http.cookies' standard library module. When parsing cookies that contained backslashes for quoted characters in the cookie value, the parser would use an algorithm with quadratic complexity, resulting in excess CPU resources being used while parsing the value.

Reserved 2024-08-07 | Published 2024-08-19 | Updated 2024-10-18 | Assigner PSF

Problem types

CWE-400 Uncontrolled Resource Consumption

Product status

Default status
unaffected

Any version before 3.8.20
affected

3.9.0 before 3.9.20
affected

3.10.0 before 3.10.15
affected

3.11.0 before 3.11.10
affected

3.12.0 before 3.12.6
affected

3.13.0a1 before 3.13.0rc2
affected

References

github.com/python/cpython/pull/123075 patch

github.com/python/cpython/issues/123067 issue-tracking

mail.python.org/.../thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/ vendor-advisory

github.com/...ommit/391e5626e3ee5af267b97e37abc7475732e67621 patch

github.com/...ommit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1 patch

github.com/...ommit/a77ab24427a18bff817025adb03ca920dc3f1a06 patch

github.com/...ommit/b2f11ca7667e4d57c71c1c88b255115f16042d9a patch

github.com/...ommit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7f patch

github.com/...ommit/d662e2db2605515a767f88ad48096b8ac623c774 patch

cve.org (CVE-2024-7592)

nvd.nist.gov (CVE-2024-7592)

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