libsixel up to 1.8.3 PNG File dither.c denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in libsixel up to 1.8.3. This impacts an unknown function of the file dither.c of the component PNG File Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2020-21048. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in libsixel up to 1.8.3 and classified as problematic. This vulnerability affects an unknown function of the file dither.c of the component PNG File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 09/15/2021 as cb373ab6614c910407c5e5a93ab935144e62b037. The advisory is available at github.com. This vulnerability was named CVE-2020-21048 since 08/13/2020. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 1.8.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch cb373ab6614c910407c5e5a93ab935144e62b037 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.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: libsixel 1.8.4
Patch: cb373ab6614c910407c5e5a93ab935144e62b037

Timelineinfo

08/13/2020 🔍
09/15/2021 +398 days 🔍
09/15/2021 +0 days 🔍
09/17/2021 +2 days 🔍

Sourcesinfo

Advisory: cb373ab6614c910407c5e5a93ab935144e62b037
Status: Confirmed

CVE: CVE-2020-21048 (🔍)
GCVE (CVE): GCVE-0-2020-21048
GCVE (VulDB): GCVE-100-182686

Entryinfo

Created: 09/15/2021 03:19
Updated: 09/17/2021 14:43
Changes: 09/15/2021 03:19 (43), 09/17/2021 14:43 (1)
Complete: 🔍
Cache ID: 216::103

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