Bug#917974: poppler: CVE-2018-20650: reachable abort in FileSpec::FileSpec in FileSpec.cc

[Salvatore Bonaccorso]

Source: poppler
Version: 0.69.0-2
Severity: important
Tags: patch security upstream
Forwarded: https://gitlab.freedesktop.org/poppler/poppler/issues/704

Hi,

The following vulnerability was published for poppler.

CVE-2018-20650[0]:
| A reachable Object::dictLookup assertion in Poppler 0.72.0 allows
| attackers to cause a denial of service due to the lack of a check for
| the dict data type, as demonstrated by use of the FileSpec class (in
| FileSpec.cc) in pdfdetach.

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-2018-20650
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20650
[1] https://gitlab.freedesktop.org/poppler/poppler/issues/704

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore