CVE-2021-4189

NameCVE-2021-4189
Descriptionftplib should not use the host from the PASV response
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python2.7 (PTS)stretch2.7.13-2+deb9u3vulnerable
stretch (security)2.7.13-2+deb9u5vulnerable
buster2.7.16-2+deb10u1vulnerable
bullseye2.7.18-8vulnerable
bookworm2.7.18-9vulnerable
sid2.7.18-11vulnerable
python3.10 (PTS)bookworm3.10.1-3fixed
sid3.10.2-1fixed
python3.5 (PTS)stretch3.5.3-1+deb9u1vulnerable
stretch (security)3.5.3-1+deb9u5vulnerable
python3.7 (PTS)buster3.7.3-2+deb10u3vulnerable
python3.9 (PTS)bullseye3.9.2-1vulnerable
bookworm3.9.9-4fixed
sid3.9.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python2.7source(unstable)(unfixed)
python3.10source(unstable)(not affected)
python3.5source(unstable)(unfixed)
python3.7source(unstable)(unfixed)
python3.9source(unstable)3.9.7-1

Notes

- python3.10 <not-affected> (Fixed before initial upload to Debian unstable)
[bullseye] - python3.9 <no-dsa> (Minor issue)
[buster] - python3.7 <no-dsa> (Minor issue)
[stretch] - python3.5 <no-dsa> (Minor issue)
[bullseye] - python2.7 <ignored> (Python 2.7 in Bullseye not covered by security support)
[buster] - python2.7 <no-dsa> (Minor issue)
[stretch] - python2.7 <no-dsa> (Minor issue)
https://bugs.python.org/issue43285
https://github.com/python/cpython/commit/0ab152c6b5d95caa2dc1a30fa96e10258b5f188e (master)
https://github.com/python/cpython/commit/7dcb4baa4f0fde3aef5122a8e9f6a41853ec9335 (v3.9.3)
https://github.com/python/cpython/commit/79373951b3eab585d42e0f0ab83718cbe1d0ee33 (v3.7.11)
https://github.com/python/cpython/commit/4134f154ae2f621f25c5d698cc0f1748035a1b88 (v3.6.14)
https://bugzilla.redhat.com/show_bug.cgi?id=2036020

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