CVE-2020-16293
ghostscript: NULL pointer dereference in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c could result in a DoS
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Una vulnerabilidad de desreferencia del puntero null en la función compose_group_nonknockout_nonblend_isolated_allmask_common() en el archivo base/gxblend.c de Artifex Software GhostScript versión v9.50, permite a un atacante remoto causar una denegación de servicio por medio de un archivo PDF diseñado. Esto es corregido en la versión v9.51
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-08-03 CVE Reserved
- 2020-08-13 CVE Published
- 2024-07-20 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7870f4951bcc6a153f317e3439e14d0e929fd231 | X_refsource_misc | |
| https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://bugs.ghostscript.com/show_bug.cgi?id=701795 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202008-20 | 2023-11-07 | |
| https://usn.ubuntu.com/4469-1 | 2023-11-07 | |
| https://www.debian.org/security/2020/dsa-4748 | 2023-11-07 | |
| https://access.redhat.com/security/cve/CVE-2020-16293 | 2021-05-18 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1870231 | 2021-05-18 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Artifex Search vendor "Artifex" | Ghostscript Search vendor "Artifex" for product "Ghostscript" | < 9.52 Search vendor "Artifex" for product "Ghostscript" and version " < 9.52" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | esm |
Affected
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04" | lts |
Affected
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