CVE-2019-3835

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CVE-2019-3835

Summary:

Details: 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.

References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A43SRQAEHQCKSEMIBINHUNIGHTDCZD7F/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ANBSCZABXQUEQWIKNWJ35IYX24M227EI/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVERLGEU3OV6RNZ2SIBXREWD3BF5H23N/, 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://lists.debian.org/debian-lts-announce/2019/04/msg00021.html, 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, https://bugs.ghostscript.com/show_bug.cgi?id=700585, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3835