Critical severity · published May 23, 2017
CVE-2016-7979
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…
9.8
CVSS
6.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.4% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghostscript · Artifex
through 9.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7979
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2017-0013.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2017-0014.html
www.debian.org
http://www.debian.org/security/2016/dsa-3691
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/05/15
Third Party Advisory
http://www.securityfocus.com/bid/95337
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