Mageia 2019-0130: ghostscript security update
Summary
It was found that the superexec operator was available in the internal
dictionary. 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. (CVE-2019-3835)
It was found that the forceput operator could be extracted from the
DefineResource method using methods similar to the ones described in
CVE-2019-6116. A specially crafted PostScript file could use this flaw in
order to, for example, have access to the file system outside of the
constraints imposed by -dSAFER. (CVE-2019-3838)
References
- https://bugs.mageia.org/show_bug.cgi?id=24548
- https://www.openwall.com/lists/oss-security/2019/03/21/1
- https://access.redhat.com/errata/RHSA-2019:0633
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3835
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3838
Resolution
MGASA-2019-0130 - Updated ghostscript packages fix security vulnerability
SRPMS
- 6/core/ghostscript-9.26-1.3.mga6