CVE-2023-4504

OpenPrinting CUPS/libppd Postscript Parsing Heap Overflow

Severity Score

7.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Debido a un error al validar la longitud proporcionada por un documento PPD PostScript creado por un atacante, CUPS y libppd son susceptibles a un desbordamiento del búfer y posiblemente a la ejecución de código. Este problema se solucionó en la versión 2.4.7 de CUPS, lanzada en septiembre de 2023.

*Credits: zenofex, WanderingGlitch, Austin Hackers Anonymous!

CVSS Scores

NISTv3.1 7.0

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-08-23 CVE Reserved
2023-09-21 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-10-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

CAPEC

References (10)

URL	Tag	Source
https://github.com/OpenPrinting/cups/releases/tag/v2.4.7	Release Notes
https://lists.debian.org/debian-lts-announce/2023/09/msg00041.html	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WHEJIYMMAIXU2EC35MGTB5LGGO2FFJE	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WVS4I7JG3LISFPKTM6ADKJXXEPEEWBQ	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AMYDKIE4PSJDEMC5OWNFCDMHFGLJ57XG	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXPVADB56NMLJWG4IZ3OZBNJ2ZOLPQJ6	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2GSPQAFK2Z6L57TRXEKZDF42K2EVBH7	Mailing List

URL	Date	SRC
https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678h	2024-08-02
https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6	2024-08-02
https://takeonme.org/cves/CVE-2023-4504.html	2024-08-02

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
Openprinting Search vendor "Openprinting"		Cups Search vendor "Openprinting" for product "Cups"				< 2.4.7 Search vendor "Openprinting" for product "Cups" and version " < 2.4.7"		-		Affected
Openprinting Search vendor "Openprinting"		Libppd Search vendor "Openprinting" for product "Libppd"				2.0 Search vendor "Openprinting" for product "Libppd" and version "2.0"		rc2, linux		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				38 Search vendor "Fedoraproject" for product "Fedora" and version "38"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				39 Search vendor "Fedoraproject" for product "Fedora" and version "39"		-		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