Vulnerability CVE-2017-8911
Published: 2017-05-12

Description:
An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.

Type:

CWE-191

 (Integer Underflow (Wrap or Wraparound))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Tnef project -> TNEF 

 References:
http://www.debian.org/security/2017/dsa-3869
https://github.com/verdammelt/tnef/issues/23
https://security.gentoo.org/glsa/201708-02
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