CVE-2015-7540
high-risk
Published 2015-12-29
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.
Do I need to act?
!
43.3% chance of exploitation in next 30 days
EPSS score — higher than 57% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (7)
References (28)
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.h...
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.h...
Third Party Advisory
http://www.debian.org/security/2016/dsa-3433
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h...
Third Party Advisory
http://www.securityfocus.com/bid/79736
Third Party Advisory
http://www.securitytracker.com/id/1034492
Third Party Advisory
http://www.ubuntu.com/usn/USN-2855-1
Third Party Advisory
http://www.ubuntu.com/usn/USN-2855-2
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1288451
Third Party Advisory
https://security.gentoo.org/glsa/201612-47
Vendor Advisory
https://www.samba.org/samba/security/CVE-2015-7540.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.h...
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.h...
Third Party Advisory
http://www.debian.org/security/2016/dsa-3433
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h...
Third Party Advisory
http://www.securityfocus.com/bid/79736
and 8 more references
57
/ 100
high-risk
Severity
26/34 · High
Exploitability
17/34 · Moderate
Exposure
14/34 · Moderate