CVE-2021-45944
Ghostscript GhostPDL Use-After-Free Vulnerability
Description
Ghostscript GhostPDL 9.50 through 9.53.3 has a use-after-free in sampled_data_sample (called from sampled_data_continue and interp).
INFO
Published Date :
Jan. 1, 2022, 12:15 a.m.
Last Modified :
Nov. 7, 2023, 3:39 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-45944.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903 | Exploit Issue Tracking Third Party Advisory |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715 | Third Party Advisory |
| https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7861fcad13c497728189feafb41cd57b5b50ea25 | |
| https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-237.yaml | Third Party Advisory |
| https://github.com/google/oss-fuzz-vulns/issues/16 | Issue Tracking |
| https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html | Mailing List Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5038 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-45944 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-45944 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7861fcad13c497728189feafb41cd57b5b50ea25 [No types assigned] Removed Reference MITRE https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7861fcad13c497728189feafb41cd57b5b50ea25 -
Modified Analysis by [email protected]
Jan. 21, 2022
Action Type Old Value New Value Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715 Third Party Advisory Changed Reference Type https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7861fcad13c497728189feafb41cd57b5b50ea25 No Types Assigned https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7861fcad13c497728189feafb41cd57b5b50ea25 Issue Tracking Changed Reference Type https://github.com/google/oss-fuzz-vulns/issues/16 No Types Assigned https://github.com/google/oss-fuzz-vulns/issues/16 Issue Tracking Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5038 No Types Assigned https://www.debian.org/security/2022/dsa-5038 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 17, 2022
Action Type Old Value New Value Added Reference https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30715 [No Types Assigned] Added Reference https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=7861fcad13c497728189feafb41cd57b5b50ea25 [No Types Assigned] Added Reference https://github.com/google/oss-fuzz-vulns/issues/16 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 15, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00006.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 10, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5038 [No Types Assigned] -
Reanalysis by [email protected]
Jan. 10, 2022
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Removed CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H -
Initial Analysis by [email protected]
Jan. 07, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29903 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-237.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ghostscript/OSV-2021-237.yaml Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:* versions from (including) 9.50 up to (including) 9.53.3 -
CVE Modified by [email protected]
Jan. 01, 2022
Action Type Old Value New Value Changed Description Ghostscript GhostPDL 9.50 through-9.53.3 has a use-after-free in sampled_data_sample (called from sampled_data_continue and interp). Ghostscript GhostPDL 9.50 through 9.53.3 has a use-after-free in sampled_data_sample (called from sampled_data_continue and interp).
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-45944 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-45944
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.01%
score
0.51272
percentile