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
EPSS
Percentile
88.9%
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in
MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows
remote authenticated administrators to cause a denial of service (NULL
pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX
create request that lacks a password.
Author | Note |
---|---|
sbeattie | can only be triggered by authenticated clients with admin privileges |
krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
web.mit.edu/kerberos/krb5-1.10/
bugzilla.redhat.com/show_bug.cgi?id=827517
github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
launchpad.net/bugs/cve/CVE-2012-1013
nvd.nist.gov/vuln/detail/CVE-2012-1013
security-tracker.debian.org/tracker/CVE-2012-1013
ubuntu.com/security/notices/USN-1520-1
www.cve.org/CVERecord?id=CVE-2012-1013