PT-2021-5708 · Artifex+5 · Ghostscript+5

Carnilo · Published 2021-01-24 · Updated 2024-06-15 · CVE-2021-45944

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 GhostPDL versions 9.50 through 9.53.3

Description The issue is related to a use-after-free in the sampled data sample function, which can be called from sampled data continue and interp. This can potentially allow an attacker to cause a denial of service.

Recommendations For Ghostscript GhostPDL versions 9.50 through 9.53.3, consider disabling the sampled data sample function as a temporary workaround until a patch is available. Restrict access to the interp and sampled data continue functions to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-2568

ALT-PU-2021-2642

BDU:2022-00148

CVE-2021-45944

DLA-2879-1

DSA-5038-1

MGASA-2022-0012

OESA-2022-1487

OPENSUSE-SU-2022:0088-1

OPENSUSE-SU-2022_0088-1

OPENSUSE-SU-2022_0088-2

OPENSUSE-SU-2024:11744-1

SUSE-SU-2022:0081-1

SUSE-SU-2022:0088-1

SUSE-SU-2022:0088-2

SUSE-SU-2022:0088-3

SUSE-SU-2022_0081-1

SUSE-SU-2022_0088-1

SUSE-SU-2022_0088-3

USN-5224-1

USN-5224-2

Affected Products

Alt Linux

Astra Linux

Ghostscript

Linuxmint

Suse

Ubuntu

References · 51

• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903 · Exploit
• https://ubuntu.com/security/CVE-2021-45949 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-0819SE17 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00148 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-45944 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45944 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45944 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0088-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5224-2 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-45944 · Vendor Advisory
• https://debian.org/security/2022/dsa-5038 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45949 · Security Note
• https://osv.dev/vulnerability/DLA-2879-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5224-1 · Vendor Advisory