giflib up to 5.1.4 gif2rgb.c DumpScreen2RGB 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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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in giflib up to 5.1.4. This vulnerability affects the function DumpScreen2RGB of the file gif2rgb.c. Such manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2020-23922. There is no exploit available.

Detailsinfo

A vulnerability was found in giflib up to 5.1.4 and classified as critical. Affected by this issue is the function DumpScreen2RGB of the file gif2rgb.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.

The weakness was shared 04/22/2021. The advisory is shared for download at sourceforge.net. This vulnerability is handled as CVE-2020-23922. There are known technical details, 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.

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: 5.5
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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
04/22/2021 +252 days 🔍
04/22/2021 +0 days 🔍
04/23/2021 +1 days 🔍

Sourcesinfo

Advisory: sourceforge.net
Status: Not defined

CVE: CVE-2020-23922 (🔍)
GCVE (CVE): GCVE-0-2020-23922
GCVE (VulDB): GCVE-100-173264

Entryinfo

Created: 04/22/2021 08:28
Updated: 04/23/2021 17:58
Changes: 04/22/2021 08:28 (36), 04/23/2021 17:58 (2)
Complete: 🔍
Cache ID: 216::103

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