CVE-2023-4504

Public Exploit
OpenPrinting CUPS/libppd Postscript Parsing Heap Overflow

Description

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.

Categories

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory github.com Vendor Advisory github.com
Affected: OpenPrinting CUPS
Affected: OpenPrinting libppd
Published at:
Updated at:

References

Link Tags
https://takeonme.org/cves/CVE-2023-4504.html third party advisory exploit technical description
https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6 vendor advisory exploit
https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678h vendor advisory exploit
https://github.com/OpenPrinting/cups/releases/tag/v2.4.7 release notes
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AMYDKIE4PSJDEMC5OWNFCDMHFGLJ57XG/ release notes mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WVS4I7JG3LISFPKTM6ADKJXXEPEEWBQ/ release notes mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5WHEJIYMMAIXU2EC35MGTB5LGGO2FFJE/ release notes mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2GSPQAFK2Z6L57TRXEKZDF42K2EVBH7/ release notes mailing list
https://lists.debian.org/debian-lts-announce/2023/09/msg00041.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PXPVADB56NMLJWG4IZ3OZBNJ2ZOLPQJ6/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-4504?
CVE-2023-4504 has been scored as a high severity vulnerability.
How to fix CVE-2023-4504?
To fix CVE-2023-4504, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4504 being actively exploited in the wild?
It is possible that CVE-2023-4504 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4504?
CVE-2023-4504 affects OpenPrinting CUPS, OpenPrinting libppd.
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