CVE-2017-1000158

NameCVE-2017-1000158
DescriptionCPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1189-1, DLA-1190-1, DLA-1519-1, DLA-1520-1, DSA-4307-1

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+deb8u12fixed
stretch (security)2.7.13-2+deb9u6fixed
stretch (lts), stretch2.7.13-2+deb9u9fixed
buster2.7.16-2+deb10u1fixed
buster (security)2.7.16-2+deb10u4fixed
bullseye2.7.18-8+deb11u1fixed
python3.4 (PTS)jessie, jessie (lts)3.4.2-1+deb8u17fixed
python3.5 (PTS)stretch (security)3.5.3-1+deb9u5fixed
stretch (lts), stretch3.5.3-1+deb9u9fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.6sourcewheezy2.6.8-1.1+deb7u1DLA-1190-1
python2.6source(unstable)(unfixed)
python2.7sourcewheezy2.7.3-6+deb7u4DLA-1189-1
python2.7sourcejessie2.7.9-2+deb8u2DLA-1519-1
python2.7sourcestretch2.7.13-2+deb9u2
python2.7source(unstable)2.7.13-4
python3.4sourcejessie3.4.2-1+deb8u1DLA-1520-1
python3.4source(unstable)(unfixed)
python3.5sourcestretch3.5.3-1+deb9u1DSA-4307-1
python3.5source(unstable)3.5.5-1

Notes

https://bugs.python.org/issue30657
2.7 https://github.com/python/cpython/commit/c3c9db89273fabc62ea1b48389d9a3000c1c03ae (v2.7.14rc1)
3.4 https://github.com/python/cpython/commit/6c004b40f9d51872d848981ef1a18bb08c2dfc42 (v3.4.8rc1)
3.5 https://github.com/python/cpython/commit/fd8614c5c5466a14a945db5b059c10c0fb8f76d9 (v3.5.5rc1)
The 2.7.13-4 upload included the commit in debian/patches/git-updates.diff

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