CVE-2016-8602
Published: April 14, 2017Last modified: November 9, 2023
Description
The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ghostscript | Not affected (10.01.2-r0) |
| Stream | ghostscript | Not affected (10.01.2-r0) |
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303
- http://rhn.redhat.com/errata/RHSA-2017-0013.html
- http://rhn.redhat.com/errata/RHSA-2017-0014.html
- http://www.debian.org/security/2016/dsa-3691
- http://www.openwall.com/lists/oss-security/2016/10/11/5
- http://www.openwall.com/lists/oss-security/2016/10/11/7
- http://www.securityfocus.com/bid/95311
- https://bugs.ghostscript.com/show_bug.cgi?id=697203
- https://bugzilla.redhat.com/show_bug.cgi?id=1383940
- https://ghostscript.com/doc/9.21/History9.htm
- https://security.gentoo.org/glsa/201702-31