Cups
CVE-2023-4504
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Heap buffer bounds checking
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.0 (HIGH). Attack characteristics: local attack vector, high complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-122. Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023. Affected products include: Openprinting Cups, Openprinting Libppd, Fedoraproject Fedora, Debian Debian Linux. Version information: version 2.4.7.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
A heap overflow occurs when a program writes data beyond the bounds of a buffer allocated in the heap memory region.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
The add_job function in scheduler/ipp.c in cupsd in CUPS before 2.0.3 performs incorrect free operations for multiple-va
Cross-site scripting (XSS) vulnerability in the cgi_puts function in cgi-bin/template.c in the template engine in CUPS b
CUPS 1.4.4, when running in certain Linux distributions such as Debian GNU/Linux, stores the web interface administrator
OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Rat
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severi
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severi
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severi
OpenPrinting CUPS is an open source printing system. Rated medium severity (CVSS 5.5), this vulnerability is no authenti
The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. Rated high severity (CVSS 8.8
Integer underflow in the cupsRasterReadPixels function in filter/raster.c in CUPS before 2.0.2 allows remote attackers t
A logic issue was addressed with improved state management. Rated medium severity (CVSS 6.7), this vulnerability is low
Denial of service in OpenPrinting CUPS before 2.4.20 lets an actor holding @SYSTEM-level class-management privileges cra
Exploit-DB