CVE-2012-1016

The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
mitkerberos_5
𝑥
< 1.10.4
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
squeeze
not-affected
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
trusty
not-affected
saucy
not-affected
raring
not-affected
quantal
ignored
precise
Fixed 1.10+dfsg~beta1-2ubuntu0.5
released
oneiric
ignored
lucid
not-affected
hardy
ignored
Common Weakness Enumeration
References
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7527
http://secunia.com/advisories/55040
http://web.mit.edu/kerberos/www/krb5-1.10/
https://github.com/krb5/krb5/commit/db64ca25d661a47b996b4e2645998b5d7f0eb52c
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7527
http://secunia.com/advisories/55040
http://web.mit.edu/kerberos/www/krb5-1.10/
https://github.com/krb5/krb5/commit/db64ca25d661a47b996b4e2645998b5d7f0eb52c