CVE-2021-4091

NameCVE-2021-4091
DescriptionA double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
389-ds-base (PTS)buster1.4.0.21-1vulnerable
bullseye1.4.4.11-2vulnerable
bookworm, sid2.0.15-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
389-ds-basesourcestretch(not affected)
389-ds-basesource(unstable)2.0.15-1

Notes

[stretch] - 389-ds-base <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=2030307
Introduced by: https://github.com/389ds/389-ds-base/commit/74c666b83e3e1789c2ef3f7935c327bd7555193e (389-ds-base-1.3.6.4)
Fixed by: https://github.com/389ds/389-ds-base/commit/3553bce44d95e70f2cf13f26bb8866ecde9f7a7b (389-ds-base-2.0.15)
Fixed by: https://github.com/389ds/389-ds-base/commit/a3c298f8140d3e4fa1bd5a670f1bb965a21a9b7b (389-ds-base-2.2.0)

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