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CVE-2017-8911

Good to know:

Date: May 12, 2017

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.

Language: C

Severity Score

9.8

Related Resources (7)

Url: https://github.com/verdammelt/tnef/issues/23

Url: https://security-tracker.debian.org/tracker/CVE-2017-8911

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8911

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-8911

Url: http://www.debian.org/security/2017/dsa-3869

Url: https://security.gentoo.org/glsa/201708-02

Url: https://www.mend.io/vulnerability-database/CVE-2017-8911

Severity Score

9.8

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

Top Fix

Upgrade Version

Upgrade to version 1.4.15

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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