[Secure-testing-team] Bug#870197: libytnef: CVE-2017-9473: memory allocation failure in TNEFFillMapi

[Salvatore Bonaccorso]

Source: libytnef
Version: 1.9.2-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/Yeraze/ytnef/issues/42

Hi,

the following vulnerability was published for libytnef.

CVE-2017-9473[0]:
| In ytnef 1.9.2, the TNEFFillMapi function in lib/ytnef.c allows remote
| attackers to cause a denial of service (memory consumption) 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-2017-9473
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9473
[1] https://github.com/Yeraze/ytnef/issues/42

Please adjust the affected versions in the BTS as needed, older
versions than 1.9.2 as reported upstream might be affected as well.

Regards,
Salvatore