PT-2022-14846 · Unknown+2 · Ghostscript+2

Tej Rathi · Published 2022-06-16 · Updated 2023-09-17 · CVE-2022-2085

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Ghostscript (affected versions not specified)

Description A NULL pointer dereference issue was found in Ghostscript, occurring when it attempts to render a large number of bits in memory. The problem arises when allocating a buffer device, relying on an init device procs defined for the device that uses it as a prototype, which depends on the number of bits per pixel. For bits per pixel (bpp) greater than 64, mem x device is used, and it does not have an init device procs defined. This allows an attacker to parse a large number of bits (more than 64 bits per pixel), triggering a NULL pointer dereference, causing the application to crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-2085

OESA-2022-1754

USN-5643-1

Affected Products

Ghostscript

Linuxmint

Ubuntu

References · 21

• 🔥 https://bugs.ghostscript.com/show_bug.cgi?id=704945 · Exploit
• https://cve.org/CVERecord?id=CVE-2022-2085 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2095261 · Patch
• https://ubuntu.com/security/notices/USN-5643-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-2085 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-2085 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27792 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-2085 · Security Note
• https://ubuntu.com/security/CVE-2022-2085 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5643-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-2085 · Vendor Advisory
• https://security.gentoo.org/glsa/202211-11 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1754 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-2085 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV · Vendor Advisory