PicoC 3.2.2 expression.c ExpressionCoerceUnsignedInteger heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in PicoC 3.2.2. This affects the function ExpressionCoerceUnsignedInteger of the file expression.c. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2022-44313. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in PicoC 3.2.2. This affects the function ExpressionCoerceUnsignedInteger of the file expression.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the ExpressionCoerceUnsignedInteger function in expression.c when called from ExpressionParseFunctionCall.

The weakness was published 11/08/2022 as 37. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-44313 since 10/30/2022. 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 05/02/2025).

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

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/30/2022 🔍
11/08/2022 +9 days 🔍
11/08/2022 +0 days 🔍
05/02/2025 +906 days 🔍

Sourcesinfo

Advisory: 37
Status: Confirmed

CVE: CVE-2022-44313 (🔍)
GCVE (CVE): GCVE-0-2022-44313
GCVE (VulDB): GCVE-100-213105

Entryinfo

Created: 11/08/2022 18:34
Updated: 05/02/2025 04:48
Changes: 11/08/2022 18:34 (39), 12/05/2022 14:37 (12), 05/02/2025 04:48 (15)
Complete: 🔍
Cache ID: 216::103

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

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