GNU gcc 2.26 cxxfilt cplus-dem.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in GNU gcc 2.26. This affects an unknown function of the file cplus-dem.c of the component cxxfilt. The manipulation leads to use after free. This vulnerability is listed as CVE-2021-37322. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in GNU gcc 2.26 and classified as critical. This issue affects an unknown code of the file cplus-dem.c of the component cxxfilt. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was presented 11/19/2021. The advisory is shared at gcc.gnu.org. The identification of this vulnerability is CVE-2021-37322 since 07/21/2021. Technical details as well as a public exploit are known.

The exploit is available at gcc.gnu.org. It is declared as proof-of-concept.

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

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.2
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

07/21/2021 🔍
11/19/2021 +121 days 🔍
11/19/2021 +0 days 🔍
11/22/2021 +3 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: gcc.gnu.org
Status: Confirmed

CVE: CVE-2021-37322 (🔍)
GCVE (CVE): GCVE-0-2021-37322
GCVE (VulDB): GCVE-100-186953
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/19/2021 08:57
Updated: 11/22/2021 11:07
Changes: 11/19/2021 08:57 (41), 11/22/2021 11:07 (1)
Complete: 🔍
Cache ID: 216::103

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

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