Vulnerability DatabaseCVE-2015-2697
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CVE-2015-2697
Published:November 09, 2015
Updated:May 17, 2026
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.
Related Resources (13)
https://security-tracker.debian.org/tracker/CVE-2015-2697
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
http://www.securitytracker.com/id/1034084
http://www.ubuntu.com/usn/USN-2810-1
https://access.redhat.com/security/cve/CVE-2015-2697
https://security.gentoo.org/glsa/201611-14
http://www.debian.org/security/2015/dsa-3395
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
http://www.securityfocus.com/bid/77581
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
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CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
CVSS v2
Base Score:
4
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
5.45