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)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
postgresql-11 (PTS)buster11.9-0+deb10u1vulnerable
buster (security)11.7-0+deb10u1vulnerable
postgresql-12 (PTS)sid12.4-3vulnerable
postgresql-13 (PTS)bullseye, sid13.1-1fixed
postgresql-9.6 (PTS)stretch9.6.17-0+deb9u1vulnerable
stretch (security)9.6.19-0+deb9u1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
postgresql-11source(unstable)(unfixed)
postgresql-12source(unstable)(unfixed)
postgresql-13source(unstable)13.1-1
postgresql-9.6source(unstable)(unfixed)

Notes

[buster] - postgresql-11 <no-dsa> (Minor issue)
[stretch] - postgresql-9.6 <no-dsa> (Minor issue)
https://www.postgresql.org/about/news/postgresql-131-125-1110-1015-9620-and-9524-released-2111/

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