CVE-2018-16509 Affecting ghostscript package, versions <9.22~dfsg+1-0ubuntu1.2
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-GHOSTSCRIPT-381747
- published25 Sept 2018
- disclosed5 Sept 2018
Introduced: 5 Sep 2018
CVE-2018-16509 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 ghostscript to version 9.22~dfsg+1-0ubuntu1.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ghostscript package and not the ghostscript package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-16509
- https://bugs.ghostscript.com/show_bug.cgi?id=699654
- http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=520bb0ea7519aa3e79db78aaf0589dae02103764
- https://www.debian.org/security/2018/dsa-4294
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
- https://security-tracker.debian.org/tracker/CVE-2018-16509
- https://www.exploit-db.com/exploits/45369/
- https://security.gentoo.org/glsa/201811-12
- http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5
- http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156
- http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31
- https://www.artifex.com/news/ghostscript-security-resolved/
- http://seclists.org/oss-sec/2018/q3/142
- https://access.redhat.com/errata/RHSA-2018:2918
- https://access.redhat.com/errata/RHSA-2018:3760
- http://www.securityfocus.com/bid/105122
- https://usn.ubuntu.com/3768-1/
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764
- https://www.exploit-db.com/exploits/45369