libsixel 1.8.4 fromgif.c gif_init_frame out-of-bounds write

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.00

A vulnerability has been found in libsixel 1.8.4 and classified as critical. This vulnerability affects the function gif_init_frame of the file fromgif.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-787. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_init_frame at fromgif.c.

The weakness was shared 12/30/2019. This vulnerability was named CVE-2019-20094 since 12/30/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/30/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-787
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

12/30/2019 🔍
12/30/2019 +0 days 🔍
12/30/2019 +0 days 🔍
12/30/2019 +0 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-20094 (🔍)

Entryinfoedit

Created: 12/30/2019 09:26 AM
Updated: 12/30/2019 09:31 AM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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