Vulnerability Description
Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Ghostscript | <= 9.20 |
Related Weaknesses (CWE)
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1
- 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/2016/09/29/28Mailing ListPatch
- http://www.openwall.com/lists/oss-security/2016/10/05/15Mailing ListPatch
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.securityfocus.com/bid/95334Third Party AdvisoryVDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=697169Issue TrackingPatch
- https://ghostscript.com/doc/9.21/History9.htmRelease Notes
- https://security.gentoo.org/glsa/201702-31
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1
- 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
FAQ
What is CVE-2016-7977?
CVE-2016-7977 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript do...
How severe is CVE-2016-7977?
CVE-2016-7977 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7977?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Ghostscript.