gif2apng 1.9 DecodeLZW 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 was found in gif2apng 1.9. It has been declared as critical. This affects the function DecodeLZW. The manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2021-45909. There is no exploit available.

Detailsinfo

A vulnerability was found in gif2apng 1.9. It has been classified as critical. Affected is the function DecodeLZW. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 12/28/2021. The advisory is shared for download at bugs.debian.org. This vulnerability is traded as CVE-2021-45909 since 12/28/2021. 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: 5.3

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/28/2021 🔍
12/28/2021 +0 days 🔍
12/28/2021 +0 days 🔍
12/31/2021 +3 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Status: Not defined

CVE: CVE-2021-45909 (🔍)
GCVE (CVE): GCVE-0-2021-45909
GCVE (VulDB): GCVE-100-189384

Entryinfo

Created: 12/28/2021 08:04
Updated: 12/31/2021 09:26
Changes: 12/28/2021 08:04 (37), 12/31/2021 09:26 (1)
Complete: 🔍
Cache ID: 216::103

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