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CVE-2006-6164

UnknownEPSS 0.32%

Last modified

CVE-2006-6164 is a vulnerability of currently unknown severity. The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.

Metrics

EPSS Probability
0.32%

23.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OpenbsdOpenbsd3.9
OpenbsdOpenbsd4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2006-6164?
The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.
How severe is CVE-2006-6164?
Severity scoring for CVE-2006-6164 is pending analysis. The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2006-6164?
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.

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Source: NVD / NIST