#VU32350 Information disclosure in Samba - CVE-2015-5330
Vulnerability identifier: #VU32350
Vulnerability risk: Medium
CVSSv4.0: 6.6 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Samba
Server applications /
Directory software, identity management
Vendor: Samba
Description
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Samba: 3.4.0 - 3.4.17, 4.0.0 - 4.0.26, 4.1.0 - 4.1.21
External links
https://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
https://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
https://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
https://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
https://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html
https://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
https://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
https://www.debian.org/security/2016/dsa-3433
https://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
https://www.securityfocus.com/bid/79734
https://www.securitytracker.com/id/1034493
https://www.ubuntu.com/usn/USN-2855-1
https://www.ubuntu.com/usn/USN-2855-2
https://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
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
