CVE-2011-1527

The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
Affected Products (NVD)
VendorProductVersion
mitkerberos_5
1.9
mitkerberos_5
1.9.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
krb5
bookworm
1.20.1-2+deb12u2
fixed
bookworm (security)
1.20.1-2+deb12u2
fixed
bullseye
1.18.3-6+deb11u5
fixed
bullseye (security)
1.18.3-6+deb11u5
fixed
lenny
not-affected
sid
1.21.3-3
fixed
squeeze
not-affected
trixie
1.21.3-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
krb5
hardy
not-affected
lucid
not-affected
maverick
not-affected
natty
not-affected
oneiric
Fixed 1.9.1+dfsg-1ubuntu1.1
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
krb5
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-32bit
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-client
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-devel
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-doc
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
krb5-plugin-kdb-ldap
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-plugin-preauth-otp
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-plugin-preauth-pkinit
suse enterprise desktop 15
1.15.2-4.25
fixed
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
krb5-server
suse enterprise sap 12 SP5
1.12.5-40.37.7
fixed
suse enterprise sap 15
1.15.2-4.25
fixed
suse enterprise server 12 SP2
1.12.5-39.1
fixed
suse enterprise server 12 SP3
1.12.5-39.1
fixed
suse enterprise server 12 SP5
1.12.5-40.37.7
fixed
suse enterprise server 15
1.15.2-4.25
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
krb5-devel
RHEL 6
0:1.9-9.el6_1.2
fixed
krb5-libs
RHEL 6
0:1.9-9.el6_1.2
fixed
krb5-pkinit-openssl
RHEL 6
0:1.9-9.el6_1.2
fixed
krb5-server
RHEL 6
0:1.9-9.el6_1.2
fixed
krb5-server-ldap
RHEL 6
0:1.9-9.el6_1.2
fixed
krb5-workstation
RHEL 6
0:1.9-9.el6_1.2
fixed