CVE-2015-2697
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
8.7 High
AI Score
Confidence
High
0.835 High
EPSS
Percentile
98.5%
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.
Affected configurations
References
krbdev.mit.edu/rt/Ticket/Display.html?id=8252
lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
www.debian.org/security/2015/dsa-3395
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.securityfocus.com/bid/77581
www.securitytracker.com/id/1034084
www.ubuntu.com/usn/USN-2810-1
github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
security.gentoo.org/glsa/201611-14
Related
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
8.7 High
AI Score
Confidence
High
0.835 High
EPSS
Percentile
98.5%