Veracode Vulnerability DatabaseVERACODE:20105Authorization Bypass
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
Artifex Ghostscript is vulnerable to authorization bypass attacks. This exists in the psi/zdevice2.c file. which allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ghostscript | eq | 9.07__28.el7_4.2 | |
| ghostscript | eq | 9.07__29.el7_5.2 | |
| ghostscript | eq | 9.07__20.el7_3.1 | |
| ghostscript:stretch | eq | 9.26a~dfsg-0+deb9u6 |
References
git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e
git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315
www.securityfocus.com/bid/106154
access.redhat.com/errata/RHBA-2019:0327
access.redhat.com/errata/RHSA-2019:0229
access.redhat.com/security/updates/classification/#important
bugs.ghostscript.com/show_bug.cgi?id=700153
bugzilla.redhat.com/show_bug.cgi?id=1665919
lists.debian.org/debian-lts-announce/2018/11/msg00036.html
semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
usn.ubuntu.com/3831-1/
www.debian.org/security/2018/dsa-4346
www.ghostscript.com/doc/9.26/History9.htm#Version9.26
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P