CVE-2020-25694

NameCVE-2020-25694
DescriptionA flaw was found in PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If a client application that creates additional database connections only reuses the basic connection parameters while dropping security-relevant parameters, an opportunity for a man-in-the-middle attack, or the ability to observe clear-text transmissions, could exist. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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)
ReferencesDLA-2478-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
postgresql-11 (PTS)buster, buster (security)11.12-0+deb10u1fixed
postgresql-13 (PTS)bullseye13.3-1fixed
bookworm, sid13.4-3fixed
postgresql-9.6 (PTS)stretch9.6.17-0+deb9u1vulnerable
stretch (security)9.6.23-0+deb9u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
postgresql-11sourcebuster11.10-0+deb10u1
postgresql-11source(unstable)(unfixed)
postgresql-12source(unstable)(unfixed)
postgresql-13source(unstable)13.1-1
postgresql-9.6sourcestretch9.6.20-0+deb9u1DLA-2478-1
postgresql-9.6source(unstable)(unfixed)

Notes

https://www.postgresql.org/about/news/postgresql-131-125-1110-1015-9620-and-9524-released-2111/
https://www.postgresql.org/message-id/flat/16604-933f4b8791227b15%40postgresql.org
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=56b46d3a1a620548b4728b48bd28cdf11d88e101 (REL9_5_STABLE)
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=da129a04a6dea8c30eec2477c08d17736c92d431 (REL9_5_STABLE)
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6997da09a41f613695575fbfcb213f14784c92bb (REL9_5_STABLE)

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