PicoC 3.2.2 cstdlib/string.c StringStrcat heap-based overflow

Summaryinfo

A vulnerability was found in PicoC 3.2.2 and classified as critical. This impacts the function StringStrcat in the library cstdlib/string.c. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2022-44318. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in PicoC 3.2.2. This vulnerability affects the function StringStrcat in the library cstdlib/string.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StringStrcat function in cstdlib/string.c when called from ExpressionParseFunctionCall.

The weakness was disclosed 11/08/2022 as 37. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-44318 since 10/30/2022. There are known technical details, but no exploit is available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• PicoC

Version

• 3.2.2

CPE 2.3info

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CPE 2.2info

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