F5 Networks BIG-IP : Kerberos vulnerability (K15553)

high Nessus Plugin ID 78194


The remote device is missing a vendor-supplied security patch.


Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator. (CVE-2014-4343)


Upgrade to one of the non-vulnerable versions listed in the F5 Solution K15553.

See Also


Plugin Details

Severity: High

ID: 78194

File Name: f5_bigip_SOL15553.nasl

Version: 1.10

Type: local

Published: 10/10/2014

Updated: 3/10/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/h:f5:big-ip

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/4/2014

Vulnerability Publication Date: 8/14/2014

Reference Information

CVE: CVE-2014-4343

BID: 69159