Vulnerability Description
In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TBCPEncode, and TBCPDecode. If the write buffer is filled to one byte less than full, and one then tries to write an escaped character, two bytes are written.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | < 10.01.0 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2023/04/12/4
- https://bugs.ghostscript.com/show_bug.cgi?id=706494ExploitVendor Advisory
- https://ghostscript.readthedocs.io/en/latest/News.htmlRelease Notes
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=37ed5022cecd584de8689
- https://lists.debian.org/debian-lts-announce/2023/04/msg00003.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202309-03
- https://www.debian.org/security/2023/dsa-5383Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/04/12/4
- https://bugs.ghostscript.com/show_bug.cgi?id=706494ExploitVendor Advisory
- https://ghostscript.readthedocs.io/en/latest/News.htmlRelease Notes
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=37ed5022cecd584de8689
- https://lists.debian.org/debian-lts-announce/2023/04/msg00003.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2023-28879?
CVE-2023-28879 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TB...
How severe is CVE-2023-28879?
CVE-2023-28879 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-28879?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Ghostscript, Debian Debian Linux.