Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | < 1.14 |
| Oracle | Solaris | 11.3 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 7.0 |
| Opensuse | Leap | 42.1 |
| Opensuse | Opensuse | 13.1 |
| Suse | Linux Enterprise Desktop | 12 |
| Suse | Linux Enterprise Server | 12 |
| Suse | Linux Enterprise Software Development Kit | 12 |
Related Weaknesses (CWE)
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing ListThird Party Advisory
- http://www.debian.org/security/2015/dsa-3395Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
- http://www.securityfocus.com/bid/77581Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034084Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
- https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789PatchThird Party Advisory
- https://security.gentoo.org/glsa/201611-14Third Party Advisory
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2015-2697?
CVE-2015-2697 is a vulnerability with a CVSS score of 4.0 (MEDIUM). 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) v...
How severe is CVE-2015-2697?
CVE-2015-2697 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2697?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5, Oracle Solaris, Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap.