VirusTotal YARA yara/libyara/libyara.c yr_set_configuration buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in VirusTotal YARA. Affected by this issue is the function yr_set_configuration in the library yara/libyara/libyara.c. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2021-45429. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in VirusTotal YARA (Anti-Malware Software) (version now known). This affects the function yr_set_configuration in the library yara/libyara/libyara.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability.

The weakness was presented 02/04/2022 as 1616. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-45429 since 12/20/2021. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Anti-Malware Software

Vendor

• VirusTotal

Name

• YARA

Website

• Product: https://github.com/VirusTotal/yara/

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CPE 2.2info

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