CVE-2021-20330

NameCVE-2021-20330
DescriptionAn attacker with basic CRUD permissions on a replicated collection can run the applyOps command with specially malformed oplog entries, resulting in a potential denial of service on secondaries. This issue affects MongoDB Server v4.0 versions prior to 4.0.27; MongoDB Server v4.2 versions prior to 4.2.16; MongoDB Server v4.4 versions prior to 4.4.9.
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
mongodb (PTS)jessie1:2.4.10-5+deb8u1vulnerable
stretch (security), stretch (lts), stretch1:3.2.11-2+deb9u2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mongodbsourcejessie(unfixed)end-of-life
mongodbsourcestretch(unfixed)end-of-life
mongodbsource(unstable)(unfixed)

Notes

[stretch] - mongodb <end-of-life> (https://lists.debian.org/debian-lts/2020/11/msg00058.html)
https://jira.mongodb.org/browse/SERVER-36263

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