CVE-2015-7540

NameCVE-2015-7540
DescriptionThe LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3433-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)bullseye (security), bullseye2:4.13.13+dfsg-1~deb11u6fixed
bookworm, bookworm (security)2:4.17.12+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
sambasourcesqueeze(not affected)
sambasourcewheezy2:3.6.6-6+deb7u6DSA-3433-1
sambasourcejessie2:4.1.17+dfsg-2+deb8u1DSA-3433-1
sambasource(unstable)2:4.1.22+dfsg-1

Notes

[wheezy] - samba <not-affected> (Only affects 4.0.0 to 4.1.21)
[squeeze] - samba <not-affected> (Only affects 4.0.0 to 4.1.21)
https://www.samba.org/samba/security/CVE-2015-7540.html

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