Bug#870816: libytnef: CVE-2017-12142: SEGV in ytnef.c in SwapDWord

[Salvatore Bonaccorso <carnil@debian.org>]

Source: libytnef
Version: 1.9.2-2
Severity: important
Tags: upstream security
Forwarded: https://github.com/Yeraze/ytnef/issues/49

Hi,

the following vulnerability was published for libytnef.

CVE-2017-12142[0]:
| In ytnef 1.9.2, an invalid memory read vulnerability was found in the
| function SwapDWord in ytnef.c, which allows attackers to cause a denial
| of service via a crafted file.

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-2017-12142
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12142
[1] https://github.com/Yeraze/ytnef/issues/49

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore