c-ares up to 1.15.x lib ares_destroy use after free

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in c-ares up to 1.15.x. It has been classified as critical. This impacts the function ares_destroy in the library lib. The manipulation leads to use after free. This vulnerability is traded as CVE-2020-14354. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in c-ares up to 1.15.x and classified as problematic. This issue affects the function ares_destroy in the library lib. 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 availability.

The weakness was shared 05/13/2021. It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2020-14354. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 1.16.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: c-ares 1.16.0
Patch: github.com

Timelineinfo

06/17/2020 🔍
05/13/2021 +330 days 🔍
05/13/2021 +0 days 🔍
05/16/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-14354 (🔍)
GCVE (CVE): GCVE-0-2020-14354
GCVE (VulDB): GCVE-100-175019

Entryinfo

Created: 05/13/2021 19:24
Updated: 05/16/2021 08:27
Changes: 05/13/2021 19:24 (39), 05/16/2021 08:27 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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