PicoC 3.2.2 lex.c LexGetStringConstant heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in PicoC 3.2.2. The impacted element is the function LexGetStringConstant of the file lex.c. Such manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2022-44316. No exploit is available.

Detailsinfo

A vulnerability was found in PicoC 3.2.2. It has been rated as critical. Affected by this issue is the function LexGetStringConstant of the file lex.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the LexGetStringConstant function in lex.c when called from LexScanGetToken.

The weakness was published 11/08/2022 as 37. The advisory is available at github.com. This vulnerability is handled as CVE-2022-44316 since 10/30/2022. Technical details 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

Name

• PicoC

Version

• 3.2.2

CPE 2.3info

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CPE 2.2info

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