CVE-2016-7979
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-7979
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7979.html
Vendor advisory: cve@mitre.org — https://bugs.ghostscript.com/show_bug.cgi?id=697190
Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2016/10/05/15
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 9.19~dfsg-3.1 |
| debian | bullseye | fixed | 9.19~dfsg-3.1 |
| debian | forky | fixed | 9.19~dfsg-3.1 |
| debian | sid | fixed | 9.19~dfsg-3.1 |
| debian | trixie | fixed | 9.19~dfsg-3.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| artifex | ghostscript | {"endIncluding":"9.20"} | |
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
- https://www.suse.com/security/cve/CVE-2016-7979.html
- https://security-tracker.debian.org/tracker/CVE-2016-7979
CWEs
CWE-704
Verify integrity in audit chain (admin only). AS-IS.