CVE-2015-2697

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:S/C:N/I:N/A:P
mitreCNA
---
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CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
mitkerberos_5
𝑥
< 1.14
oraclesolaris
11.3
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.04
canonicalubuntu_linux
15.10
debiandebian_linux
7.0
debiandebian_linux
8.0
debiandebian_linux
9.0
opensuseleap
42.1
opensuseopensuse
13.1
opensuseopensuse
13.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
krb5
bullseye (security)
1.18.3-6+deb11u5
fixed
bullseye
1.18.3-6+deb11u5
fixed
bookworm
1.20.1-2+deb12u2
fixed
bookworm (security)
1.20.1-2+deb12u2
fixed
sid
1.21.3-3
fixed
trixie
1.21.3-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
krb5
wily
Fixed 1.13.2+dfsg-2ubuntu0.1
released
vivid
Fixed 1.12.1+dfsg-18ubuntu0.1
released
trusty
Fixed 1.12+dfsg-2ubuntu5.2
released
precise
Fixed 1.10+dfsg~beta1-2ubuntu0.7
released
Common Weakness Enumeration
References
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
http://www.debian.org/security/2015/dsa-3395
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/77581
http://www.securitytracker.com/id/1034084
http://www.ubuntu.com/usn/USN-2810-1
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
https://security.gentoo.org/glsa/201611-14
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
http://www.debian.org/security/2015/dsa-3395
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/77581
http://www.securitytracker.com/id/1034084
http://www.ubuntu.com/usn/USN-2810-1
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
https://security.gentoo.org/glsa/201611-14