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CVE-2015-3223

Published: 16 December 2015

The ldb_wildcard_compare function in ldb_match.c in ldb before 1.1.24, as used in the AD LDAP server in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, mishandles certain zero values, which allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

Priority

Medium

CVSS 3 base score: 5.3

Status

Package Release Status
ldb
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus)
Released (2:1.1.24-1ubuntu1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1:1.1.16-1ubuntu0.1)
samba
Launchpad, Ubuntu, Debian
Upstream
Released (4.3.3,4.2.7,4.1.22)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2:4.3.3+dfsg-1ubuntu1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2:4.1.6+dfsg-1ubuntu2.14.04.11)
Patches:
Upstream: https://git.samba.org/?p=samba.git;a=commit;h=fb456954f332c07a645226d59b3b00ec252f8b26 (4.1)
Upstream: https://git.samba.org/?p=samba.git;a=commit;h=bb1b783ee9d7259cfc6a1fe882f22189747f8684 (4.1)
samba4
Launchpad, Ubuntu, Debian
Upstream
Released (4.3.3,4.2.7,4.1.22)
Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist