CVE-2020-27818
Ubuntu Security Notice USN-6182-1
Severity Score
3.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Se encontró un fallo en la función check_chunk_name() de pngcheck-2.4.0. Un atacante capaz de pasar un archivo malicioso para ser procesado por pngcheck podría causar una denegación temporal de servicio, lo que supone un bajo riesgo para la disponibilidad de la aplicación.
It was discovered that pngcheck incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service.
*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
- 2020-10-27 CVE Reserved
- 2020-12-08 CVE Published
- 2024-08-04 CVE Updated
- 2025-01-19 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-125: Out-of-bounds Read
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26 | Third Party Advisory | |
| https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72 | Third Party Advisory | |
| https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a | Third Party Advisory | |
| https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f | Third Party Advisory | |
| https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad | Third Party Advisory | |
| https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1902011 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/13m0n4de/pngcheck-vulns | 2025-01-19 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Libpng Search vendor "Libpng" | Pngcheck Search vendor "Libpng" for product "Pngcheck" | 2.4.0 Search vendor "Libpng" for product "Pngcheck" and version "2.4.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Extra Packages For Enterprise Linux Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" | 7.0 Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" and version "7.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Extra Packages For Enterprise Linux Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" | 8.0 Search vendor "Fedoraproject" for product "Extra Packages For Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 31 Search vendor "Fedoraproject" for product "Fedora" and version "31" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
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
| ||||||