CVE-2009-0845

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 27 Mar 2009, 16:00
Last modified:07 Aug 2024, 04:48

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
5 MEDIUM
v2.0 (nvd)
EPSS Score
19.31% MEDIUM
19% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

27 Mar 2009, 16:00
Published
Vulnerability first disclosed
07 Aug 2024, 04:48
Last Modified
Vulnerability information updated

Description

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.

CVSS Metrics

  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 19.31%• Percentile: 95%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • mit•kerberos

    5-1.6.3

  • mit•kerberos_5

    1.5 | 1.5.1 | 1.5.2 | 1.5.3 | 1.6 | 1.6.1 | 1.6.2

References (44)