CVE-2023-4504
Last modified
CVE-2023-4504 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Openprinting | Cups | < 2.4.7 | — |
| Openprinting | Libppd | 2.0 | Rc2 |
| Fedoraproject | Fedora | 37 | — |
| Fedoraproject | Fedora | 38 | — |
| Fedoraproject | Fedora | 39 | — |
| Debian | Debian Linux | 10.0 | — |
References
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678hExploit, Vendor Advisory
- https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6Exploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00041.htmlMailing List, Third Party Advisory
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-pf5r-86w9-678hExploit, Vendor Advisory
- https://github.com/OpenPrinting/libppd/security/advisories/GHSA-4f65-6ph5-qwh6Exploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00041.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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