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CVE-2007-5939

UnknownEPSS 3.80%

Last modified

CVE-2007-5939 is a vulnerability of currently unknown severity. The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.. EPSS estimates a 3.80% chance of exploitation in the next 30 days.

Description

The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.

Metrics

EPSS Probability
3.80%

88.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HeimdalHeimdal0.7.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2007-5939?
The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.
How severe is CVE-2007-5939?
Severity scoring for CVE-2007-5939 is pending analysis. The EPSS model estimates a 3.80% probability of exploitation in the next 30 days.
How do I fix CVE-2007-5939?
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-2007-5939?

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

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Source: NVD / NIST