CVE-2014-4343
HighSummary
A double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in MIT Kerberos 5 (krb5) versions 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.
Risk Assessment
Organizations may be exposed to attacks that lead to denial of service or execution of unauthorized code, which can result in serious security implications for systems.
Recommendation
It is recommended to upgrade to version 1.12.2 or later to mitigate this vulnerability and to monitor network traffic for potential attack attempts.
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Original NVD description (English source)
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.