CVE-2018-19759 : There is a heap-based buffer over-read at stb_image_write.h (function: stbi

There is a heap-based buffer over-read at stb_image_write.h (function: stbi_write_png_to_mem) in libsixel 1.8.2 that will cause a denial of service.

Published 2018-11-30 03:29:00

Updated 2018-12-26 17:05:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-19759

Libsixel Project » Libsixel » Version: 1.8.2
cpe:2.3:a:libsixel_project:libsixel:1.8.2:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://bugzilla.redhat.com/show_bug.cgi?id=1649202

1649202 – There is a heap-buffer-overflow at stb_image_write.h:933(function: stbi_write_png_to_me) in libsixel latest version that will cause serious impact.
Exploit;Issue Tracking;Third Party Advisory

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