fig2dev 3.2.7b Global Buffer gencgm.c conv_pattern_index buffer overflow

Summaryinfo

A vulnerability labeled as critical has been found in fig2dev 3.2.7b. Impacted is the function conv_pattern_index of the file gencgm.c of the component Global Buffer Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is handled as CVE-2020-21531. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in fig2dev 3.2.7b. This vulnerability affects the function conv_pattern_index of the file gencgm.c of the component Global Buffer Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 09/17/2021. The advisory is shared for download at sourceforge.net. This vulnerability was named CVE-2020-21531 since 08/13/2020. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/17/2021).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• fig2dev

Version

• 3.2.7b

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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