Vulnerability Details : CVE-2014-4343

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.
Published 2014-08-14 05:01:50
Updated 2020-01-21 15:46:47
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2014-4343

EPSS FAQ
3.26%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-4343

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.6
 HIGH AV:N/AC:H/Au:N/C:C/I:C/A:C
4.9
10.0
 NIST

CWE ids for CVE-2014-4343

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2014-4343

Products affected by CVE-2014-4343

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