Information disclosure in Samba - CVE-2015-5330
Published: December 30, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32350
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-5330
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
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 string lengths, which allows remote attackers to obtain sensitive information from daemon heap memory by sending crafted packets and then reading (1) an error message or (2) a database value.
Affected software
Samba
Amazon Linux AMI
SUSE Linux
Fedora
Opensuse
samba (Alpine package)
libtevent
libldb
libtdb
libtalloc
Amazon Linux AMI
SUSE Linux
Fedora
Opensuse
samba (Alpine package)
libtevent
libldb
libtdb
libtalloc
How to mitigate CVE-2015-5330
Install update from vendor's website.
Samba - update to 4.1.22
samba (Alpine package) - update to 4.2.7-r0
libtevent - addressed in versions 0.9.26-1.fc22, 0.9.26-1.fc23
libldb - addressed in versions 1.1.24-1.fc22, 1.1.24-1.fc23
libtdb - addressed in versions 1.3.8-1.fc22, 1.3.8-1.fc23
libtalloc - addressed in versions 2.1.5-2.fc22, 2.1.5-2.fc23
samba (Alpine package) - update to 4.2.7-r0
libtevent - addressed in versions 0.9.26-1.fc22, 0.9.26-1.fc23
libldb - addressed in versions 1.1.24-1.fc22, 1.1.24-1.fc23
libtdb - addressed in versions 1.3.8-1.fc22, 1.3.8-1.fc23
libtalloc - addressed in versions 2.1.5-2.fc22, 2.1.5-2.fc23
External References
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
- http://www.debian.org/security/2016/dsa-3433
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/79734
- http://www.securitytracker.com/id/1034493
- http://www.ubuntu.com/usn/USN-2855-1
- http://www.ubuntu.com/usn/USN-2855-2
- http://www.ubuntu.com/usn/USN-2856-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1281326
- https://git.samba.org/?p=samba.git;a=commit;h=0454b95657846fcecf0f51b6f1194faac02518bd
- https://git.samba.org/?p=samba.git;a=commit;h=538d305de91e34a2938f5f219f18bf0e1918763f
- https://git.samba.org/?p=samba.git;a=commit;h=7f51ec8c4ed9ba1f53d722e44fb6fb3cde933b72
- https://git.samba.org/?p=samba.git;a=commit;h=a118d4220ed85749c07fb43c1229d9e2fecbea6b
- https://git.samba.org/?p=samba.git;a=commit;h=ba5dbda6d0174a59d221c45cca52ecd232820d48
- https://git.samba.org/?p=samba.git;a=commit;h=f36cb71c330a52106e36028b3029d952257baf15
- https://security.gentoo.org/glsa/201612-47
- https://www.samba.org/samba/security/CVE-2015-5330.html
Related Security Bulletins
- Information disclosure in Samba
- SUSE Linux update for samba
- SUSE Linux update for samba
- OpenSUSE Linux update for ldb, samba, talloc, tdb, tevent
- SUSE Linux update for ldb, samba, talloc, tdb, tevent
- SUSE Linux update for ldb, samba, talloc, tdb, tevent
- Information disclosure in samba (Alpine package)
- Amazon Linux AMI update for samba
- Amazon Linux AMI update for libldb
- Fedora 22 update for libldb, libtalloc, libtdb, libtevent
- Fedora 23 update for libldb, libtalloc, libtdb, libtevent