CVE-2023-5568

NameCVE-2023-5568
DescriptionA heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.
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
samba (PTS)jessie, jessie (lts)2:4.2.14+dfsg-0+deb8u16fixed
stretch (security)2:4.5.16+dfsg-1+deb9u4fixed
stretch (lts), stretch2:4.5.16+dfsg-1+deb9u5fixed
buster (security), buster, buster (lts)2:4.9.5+dfsg-5+deb10u5fixed
bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm (security), bookworm2:4.17.12+dfsg-0+deb12u1fixed
trixie2:4.21.2+dfsg-3fixed
sid2:4.21.2+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcejessie(not affected)
sambasourcestretch(not affected)
sambasourcebuster(not affected)
sambasourcebullseye(not affected)
sambasourcebookworm(not affected)
sambasource(unstable)2:4.19.2+dfsg-1

Notes

[bookworm] - samba <not-affected> (Vulnerable code introduced later)
[bullseye] - samba <not-affected> (Vulnerable code introduced later)
[buster] - samba <not-affected> (Vulnerable code introduced later)
https://bugzilla.samba.org/show_bug.cgi?id=15491
https://gitlab.com/samba-team/samba/-/merge_requests/3310
https://github.com/samba-team/samba/commit/3280893ae80507e36653a0c7da03c82b88ece30b
[stretch] - samba <not-affected> (Vulnerable code introduced later)
[jessie] - samba <not-affected> (Vulnerable code introduced later)

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