Published: 28/07/2020 Updated: 07/11/2023

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

A memory corruption issue was found in Artifex Ghostscript 9.50 and 9.52. Use of a non-standard PostScript operator can allow overriding of file access controls. The 'rsearch' calculation for the 'post' size resulted in a size that was too large, and could underflow to max uint32_t. This was fixed in commit 5d499272b95a6b890a1397e11d20937de000d31b.

Vulnerable Product	Search on Vulmon	Subscribe to Product
artifex ghostscript 9.52
artifex ghostscript 9.50
canonical ubuntu linux 20.04
opensuse leap 15.1
opensuse leap 15.2

CWE-787 CWE-191 https://github.com/ArtifexSoftware/ghostpdl/commits/master/psi/zstring.c https://github.com/ArtifexSoftware/ghostpdl/commit/5d499272b95a6b890a1397e11d20937de000d31b https://artifex.com/security-advisories/CVE-2020-15900 http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00006.html https://usn.ubuntu.com/4445-1/https://security.gentoo.org/glsa/202008-20 http://git.ghostscript.com/?p=ghostpdl.git%3Ba=log https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5d499272b95a6b890a1397e11d20937de000d31b https://nvd.nist.gov

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CVE-2020-15900

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