PicoC 3.2.2 expression.c ExpressionCoerceInteger 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 labeled as critical has been found in PicoC 3.2.2. Affected by this issue is the function ExpressionCoerceInteger of the file expression.c. Such manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2022-44312. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PicoC 3.2.2. Affected by this issue is the function ExpressionCoerceInteger of the file expression.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 ExpressionCoerceInteger function in expression.c when called from ExpressionInfixOperator.

The weakness was shared 11/08/2022 as 37. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-44312 since 10/30/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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.

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

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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-2022-44312 (🔍)
GCVE (CVE): GCVE-0-2022-44312
GCVE (VulDB): GCVE-100-213104

Entryinfo

Created: 11/08/2022 18:33
Updated: 05/02/2025 04:48
Changes: 11/08/2022 18:33 (39), 12/05/2022 14:32 (12), 05/02/2025 04:48 (15)
Complete: 🔍
Cache ID: 216::103

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