Vulnerability Monitor

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CVE-2015-7540

The 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.

Published

2015-12-29T22:59:05.297

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.1.22	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/79736 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1034492 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2855-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2855-2 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1288451 Issue Tracking, Third Party Advisory ([email protected])
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d ([email protected])
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884 ([email protected])
https://security.gentoo.org/glsa/201612-47 Third Party Advisory ([email protected])
https://www.samba.org/samba/security/CVE-2015-7540.html Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79736 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034492 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2855-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2855-2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1288451 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=530d50a1abdcdf4d1775652d4c456c1274d83d8d (af854a3a-2127-422b-91ae-364da2661108)
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=9d989c9dd7a5b92d0c5d65287935471b83b6e884 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201612-47 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.samba.org/samba/security/CVE-2015-7540.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)