CVE-2022-2031

NameCVE-2022-2031
DescriptionA flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.
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)
ReferencesDSA-5205-1
Debian Bugs1016449

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)buster, buster (security)2:4.9.5+dfsg-5+deb10u3vulnerable
bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u5fixed
bookworm, sid2:4.17.3+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcebullseye2:4.13.13+dfsg-1~deb11u5DSA-5205-1
sambasource(unstable)2:4.16.4+dfsg-11016449

Notes

[buster] - samba <no-dsa> (Minor issue; affects Samba as AD DC)
https://www.samba.org/samba/security/CVE-2022-2031.html

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