CVE-2018-18073

MEDIUM

Description

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.

References

http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=34cc326eb2c5695833361887fe0b32e8d987741c

http://packetstormsecurity.com/files/149758/Ghostscript-Exposed-System-Operators.html

http://www.openwall.com/lists/oss-security/2018/10/10/12

https://access.redhat.com/errata/RHSA-2018:3834

https://bugs.chromium.org/p/project-zero/issues/detail?id=1690

https://bugs.ghostscript.com/show_bug.cgi?id=699927

https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html

https://usn.ubuntu.com/3803-1/

https://www.debian.org/security/2018/dsa-4336

Details

Source: MITRE

Published: 2018-10-15

Updated: 2019-03-11

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 6.3

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Impact Score: 4

Exploitability Score: 1.8

Severity: MEDIUM