CVE-2015-2697
MEDIUM severity · CVSS 4 · Out-of-bounds read
4CVSS MEDIUM
Summary
The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/Au:S/C:N/I:N/A:P
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlAdvisory
- http://www.debian.org/security/2015/dsa-3395Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlAdvisory
- http://www.securityfocus.com/bid/77581Advisory
- http://www.securitytracker.com/id/1034084Advisory