CVE-2012-1458

UnknownEPSS 73.74%

Last modified

CVE-2012-1458 is a vulnerability of currently unknown severity. The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.. EPSS estimates a 73.74% chance of exploitation in the next 30 days.

Description

The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.

Metrics

EPSS Probability
73.74%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ClamavClamav0.96.4
SophosSophos Anti-Virus4.61.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-1458?
The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.
How severe is CVE-2012-1458?
Severity scoring for CVE-2012-1458 is pending analysis. The EPSS model estimates a 73.74% probability of exploitation in the next 30 days.
How do I fix CVE-2012-1458?
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-2012-1458?

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

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Source: NVD / NIST