CVE-2019-3835 Information

Description

It was found that the superexec operator was available in the internal dictionary in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to for example have access to the file system outside of the constrains imposed by -dSAFER.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00088.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00090.html http://packetstormsecurity.com/files/152367/Slackware-Security-Advisory-ghostscript-Updates.html http://www.securityfocus.com/bid/107855 https://access.redhat.com/errata/RHSA-2019:0652 https://access.redhat.com/errata/RHSA-2019:0971 https://bugs.ghostscript.com/show_bug.cgi?id=700585 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3835 https://lists.debian.org/debian-lts-announce/2019/04/msg00021.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A43SRQAEHQCKSEMIBINHUNIGHTDCZD7F/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ANBSCZABXQUEQWIKNWJ35IYX24M227EI/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVERLGEU3OV6RNZ2SIBXREWD3BF5H23N/ https://seclists.org/bugtraq/2019/Apr/28 https://seclists.org/bugtraq/2019/Apr/4 https://security.gentoo.org/glsa/202004-03 https://www.debian.org/security/2019/dsa-4432

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5