radare2 5.5.2 Mach-O Parser /libr/core/anal_objc.c buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in radare2 5.5.2. Affected is an unknown function in the library /libr/core/anal_objc.c of the component Mach-O Parser. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2021-44975. There is not any exploit available.

Detailsinfo

A vulnerability was found in radare2 5.5.2 (Programming Tool Software). It has been classified as critical. This affects some unknown processing in the library /libr/core/anal_objc.c of the component Mach-O Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 05/25/2022 as 19476. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-44975 since 12/13/2021. 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.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

12/13/2021 🔍
05/25/2022 +162 days 🔍
05/25/2022 +0 days 🔍
05/29/2022 +4 days 🔍

Sourcesinfo

Advisory: 19476
Status: Confirmed

CVE: CVE-2021-44975 (🔍)
GCVE (CVE): GCVE-0-2021-44975
GCVE (VulDB): GCVE-100-200661

Entryinfo

Created: 05/25/2022 10:05
Updated: 05/29/2022 17:23
Changes: 05/25/2022 10:05 (39), 05/29/2022 17:23 (1)
Complete: 🔍
Cache ID: 216::103

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