CVE-2020-27619

NameCVE-2020-27619
DescriptionIn Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python2.7 (PTS)jessie, jessie (lts)2.7.9-2-ds1-1+deb8u11vulnerable
stretch (security)2.7.13-2+deb9u6vulnerable
stretch (lts), stretch2.7.13-2+deb9u8vulnerable
buster2.7.16-2+deb10u1vulnerable
buster (security)2.7.16-2+deb10u3vulnerable
bullseye2.7.18-8+deb11u1vulnerable
python3.4 (PTS)jessie, jessie (lts)3.4.2-1+deb8u15vulnerable
python3.5 (PTS)stretch (security)3.5.3-1+deb9u5vulnerable
stretch (lts), stretch3.5.3-1+deb9u8vulnerable
python3.7 (PTS)buster3.7.3-2+deb10u3vulnerable
buster (security)3.7.3-2+deb10u6vulnerable
python3.9 (PTS)bullseye3.9.2-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.7source(unstable)(unfixed)unimportant
python3.4source(unstable)(unfixed)unimportant
python3.5source(unstable)(unfixed)unimportant
python3.7source(unstable)(unfixed)unimportant
python3.8source(unstable)(unfixed)unimportant
python3.9source(unstable)(unfixed)unimportant

Notes

https://python-security.readthedocs.io/vuln/cjk-codec-download-eval.html
https://github.com/python/cpython/commit/2ef5caa58febc8968e670e39e3d37cf8eef3cab8 (master)
https://github.com/python/cpython/commit/a8bf44d04915f7366d9f8dfbf84822ac37a4bab3 (master)
https://github.com/python/cpython/commit/b664a1df4ee71d3760ab937653b10997081b1794 (3.9)
https://github.com/python/cpython/commit/6c6c256df3636ff6f6136820afaefa5a10a3ac33 (3.8)
https://github.com/python/cpython/commit/43e523103886af66d6c27cd72431b5d9d14cd2a9 (3.7)
https://bugs.python.org/issue41944
Only affects the testsuite

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