Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser.
Weakness
The product does not correctly convert an object, resource, or structure from one type to a different type.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ghostscript | Artifex | * | 9.20 (including) |
| Red Hat Enterprise Linux 6 | RedHat | ghostscript-0:8.70-21.el6_8.1 | * |
| Red Hat Enterprise Linux 7 | RedHat | ghostscript-0:9.07-20.el7_3.1 | * |
| Ghostscript | Ubuntu | devel | * |
| Ghostscript | Ubuntu | esm-infra/xenial | * |
| Ghostscript | Ubuntu | precise | * |
| Ghostscript | Ubuntu | trusty | * |
| Ghostscript | Ubuntu | xenial | * |
| Ghostscript | Ubuntu | yakkety | * |
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
- 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/2016/10/05/15
- http://www.securityfocus.com/bid/95337
- https://bugs.ghostscript.com/show_bug.cgi?id=697190
- https://security.gentoo.org/glsa/201702-31
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
- 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/2016/10/05/15
- http://www.securityfocus.com/bid/95337
- https://bugs.ghostscript.com/show_bug.cgi?id=697190
- https://security.gentoo.org/glsa/201702-31