brian m. carlson reported that a2ps's fixps script does not invoke gs with the -dSAFER option. Running fixps on a malicious PostScript file could result in files being deleted or arbitrary commands being executed with the privileges of the user running fixps.
A possible patch from Debian is available from the Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=12;filename=a2ps-4.14-1.3-nmu.diff;att=1;bug=742902
Created a2ps tracking bugs for this issue:
Affects: fedora-all [bug 1082411]
Affects: epel-6 [bug 1082412]
a2ps-4.14-23.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
a2ps-4.14-23.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.
This issue did not affect the versions of a2ps as shipped with Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.