[Secure-testing-team] Bug#869977: ghostscript: CVE-2017-11714: Out of bounds read in igc_reloc_struct_ptr()

[Salvatore Bonaccorso]

Source: ghostscript
Version: 9.06~dfsg-2
Severity: grave
Tags: patch security upstream fixed-upstream
Forwarded: https://bugs.ghostscript.com/show_bug.cgi?id=698158

Hi,

the following vulnerability was published for ghostscript.

CVE-2017-11714[0]:
| psi/ztoken.c in Artifex Ghostscript 9.21 mishandles references to the
| scanner state structure, which allows remote attackers to cause a
| denial of service (application crash) or possibly have unspecified
| other impact via a crafted PostScript document, related to an
| out-of-bounds read in the igc_reloc_struct_ptr function in psi/igc.c.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-11714
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11714
[1] https://bugs.ghostscript.com/show_bug.cgi?id=698158
[2] http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=671fd59eb657743aa86fbc1895cb15872a317caa

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore