CVE-2014-4344

UnknownEPSS 6.61%

Last modified

CVE-2014-4344 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.61% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
6.61%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianDebian Linux7.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Hpc Node7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Workstation7.0
MitKerberos 51.10
MitKerberos 51.10.1
MitKerberos 51.10.2
MitKerberos 51.10.3
MitKerberos 51.10.4
MitKerberos 51.11
MitKerberos 51.11.1
MitKerberos 51.11.2
MitKerberos 51.11.3
MitKerberos 51.11.4
MitKerberos 51.11.5
MitKerberos 51.12
MitKerberos 51.12.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2014-4344?
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.
How severe is CVE-2014-4344?
Severity scoring for CVE-2014-4344 is pending analysis. The EPSS model estimates a 6.61% probability of exploitation in the next 30 days.
How do I fix CVE-2014-4344?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-4344?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST