libass up to 0.15.0 Integer Data decode_chars heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in libass up to 0.15.0 and classified as critical. This impacts the function decode_chars of the component Integer Data Handler. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2020-36430. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in libass up to 0.15.0. It has been declared as critical. Affected by this vulnerability is the function decode_chars of the component Integer Data Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 07/21/2021. It is possible to read the advisory at bugs.chromium.org. This vulnerability is known as CVE-2020-36430. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.15.1 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

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: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Heap-based overflow
CWE: CWE-122 / 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: libass 0.15.1
Patch: github.com

Timelineinfo

07/20/2021 🔍
07/21/2021 +1 days 🔍
07/21/2021 +0 days 🔍
07/26/2021 +5 days 🔍

Sourcesinfo

Product: github.com

Advisory: bugs.chromium.org
Status: Confirmed

CVE: CVE-2020-36430 (🔍)
GCVE (CVE): GCVE-0-2020-36430
GCVE (VulDB): GCVE-100-179287

Entryinfo

Created: 07/21/2021 11:43
Updated: 07/26/2021 02:43
Changes: 07/21/2021 11:43 (39), 07/26/2021 02:43 (2)
Complete: 🔍
Cache ID: 216::103

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