Vulnerability Details : CVE-2018-18073
Artifex Ghostscript allows attackers to bypass a sandbox protection mechanism by leveraging exposure of system operators in the saved execution stack in an error object.
Vulnerability category: Information leak
Products affected by CVE-2018-18073
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18073
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18073
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
6.3
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |
1.8
|
4.0
|
NIST |
CWE ids for CVE-2018-18073
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18073
-
https://usn.ubuntu.com/3803-1/
USN-3803-1: Ghostscript vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugs.ghostscript.com/show_bug.cgi?id=699927
699927 – .setglobal exposes dangerous operators in saved estackIssue Tracking;Patch;Vendor Advisory
-
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=34cc326eb2c5695833361887fe0b32e8d987741c
git.ghostscript.com Git - ghostpdl.git/commitPatch;Vendor Advisory
-
https://bugs.chromium.org/p/project-zero/issues/detail?id=1690
1690 - ghostscript: $error object can expose system operators in saved execution stack. - project-zero - MonorailIssue Tracking;Patch;Third Party Advisory
-
https://www.debian.org/security/2018/dsa-4336
Debian -- Security Information -- DSA-4336-1 ghostscriptThird Party Advisory
-
http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html
Ghostscript Exposed System Operators ≈ Packet StormThird Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
[SECURITY] [DLA 1552-1] ghostscript security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:3834
RHSA-2018:3834 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2018/10/10/12
oss-security - ghostscript: saved execution stacks can leak operator arrays (CVE-2018-18073)Mailing List;Patch;Third Party Advisory
Jump to