CVE-2015-2697

Name: CVE-2015-2697
Creator: NVD / NIST
Published: 2015-11-09T03:59:03.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.13%

Last modified Jun 17, 2026

CVE-2015-2697 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.13% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.13%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Mit	Kerberos 5	< 1.14
Oracle	Solaris	11.3
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.04
Canonical	Ubuntu Linux	15.10
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Opensuse	Leap	42.1
Opensuse	Opensuse	13.1
Opensuse	Opensuse	13.2
Suse	Linux Enterprise Desktop	12
Suse	Linux Enterprise Server	12
Suse	Linux Enterprise Software Development Kit	12

References

http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing List, Third 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 Advisory, VDB Entry
http://www.securitytracker.com/id/1034084Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789Patch, Third 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 List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing List, Third 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 Advisory, VDB Entry
http://www.securitytracker.com/id/1034084Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789Patch, Third Party Advisory
https://security.gentoo.org/glsa/201611-14Third Party Advisory

Timeline

Published: Nov 9, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-2697?

How severe is CVE-2015-2697?

Severity scoring for CVE-2015-2697 is pending analysis. The EPSS model estimates a 4.13% probability of exploitation in the next 30 days.

How do I fix CVE-2015-2697?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2697?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST