fig2dev 3.2.7b Global Buffer read.c get_line buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in fig2dev 3.2.7b. This affects the function get_line of the file read.c of the component Global Buffer Handler. This manipulation causes buffer overflow. The identification of this vulnerability is CVE-2020-21534. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in fig2dev 3.2.7b and classified as critical. Affected by this vulnerability is the function get_line of the file read.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 shared 09/17/2021. It is possible to read the advisory at sourceforge.net. This vulnerability is known as CVE-2020-21534 since 08/13/2020. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (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.

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Productinfo

Name

• fig2dev

Version

• 3.2.7b

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CPE 2.2info

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