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CVE-2017-8911

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

Related Resources (7)

https://github.com/verdammelt/tnef/issues/23
https://security-tracker.debian.org/tracker/CVE-2017-8911
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8911
https://nvd.nist.gov/vuln/detail/CVE-2017-8911
http://www.debian.org/security/2017/dsa-3869
https://security.gentoo.org/glsa/201708-02
https://www.mend.io/vulnerability-database/CVE-2017-8911

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

Base Score:
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:
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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