Summaryinfo

A vulnerability has been found in yasm 1.3.0.55.g101bc and classified as critical. This vulnerability affects the function expand_mmac_params of the file yasm/modules/preprocs/nasm/nasm-pp.c. The manipulation leads to use after free. This vulnerability was named CVE-2023-31725. There is no exploit available. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability, which was classified as critical, was found in yasm 1.3.0.55.g101bc. This affects the function expand_mmac_params of the file yasm/modules/preprocs/nasm/nasm-pp.c. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

yasm 1.3.0.55.g101bc was discovered to contain a heap-use-after-free via the function expand_mmac_params at yasm/modules/preprocs/nasm/nasm-pp.c.

The weakness was shared 05/17/2023 as 221. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-31725 since 04/29/2023. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/22/2025).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• yasm

Version

• 1.3.0.55.g101bc

License

• open-source

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