CVE-2014-4344

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 14 Aug 2014, 01:00
Last modified:06 Aug 2024, 11:12

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
5.27% LOW
5% probability -3.84%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Aug 2014, 01:00
Published
Vulnerability first disclosed
06 Aug 2024, 11:12
Last Modified
Vulnerability information updated

Description

The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty continuation token at a certain point during a SPNEGO negotiation.

CVSS Metrics

  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 5.27%• Percentile: 90%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•debian_linux

    7.0

  • mit•kerberos_5

    1.10 | 1.10.1 | 1.10.2 | 1.10.3 | 1.10.4 | 1.11 | 1.11.1 | 1.11.2 | 1.11.3 | 1.11.4 | 1.11.5 | 1.12 | 1.12.1

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_hpc_node

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_workstation

    7.0

References (19)