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

Summaryinfo

A vulnerability was found in PicoC 3.2.2. It has been classified as critical. Affected is the function StdioBasePrintf in the library cstdlib/string.c. The manipulation leads to heap-based overflow. This vulnerability is listed as CVE-2022-44319. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PicoC 3.2.2. This issue affects the function StdioBasePrintf in the library cstdlib/string.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. The summary by CVE is:

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

The weakness was presented 11/08/2022 as 37. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-44319 since 10/30/2022. Technical details are known, 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• PicoC

Version

• 3.2.2

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion