libsixel up to 1.10.2 PICT File stb_image.h null pointer dereference
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in libsixel up to 1.10.2. It has been declared as problematic. This vulnerability affects an unknown part of the file stb_image.h of the component PICT File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-476. As an impact it is known to affect availability. CVE summarizes:
In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
The weakness was disclosed 01/25/2022 as 51. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-45340 since 12/20/2021. The attack needs to be done within the local network. A single authentication is necessary for exploitation. There are known technical details, but no exploit is available.
Upgrading to version 1.10.3 eliminates this vulnerability.
CVSSv3VulDB 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: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Denial of service
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Upgrade: libsixel 1.10.3
Timeline12/20/2021 CVE reserved
01/25/2022 +36 days Advisory disclosed
01/25/2022 +0 days VulDB entry created
01/28/2022 +3 days VulDB last update
CVE: CVE-2021-45340 (🔒)
EntryCreated: 01/25/2022 05:34 PM
Updated: 01/28/2022 12:21 PM
Changes: (1) source_cve_nvd_summary
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