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CRITICAL · 9.8

CVE-2017-8911

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.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Tnef ProjectTnef1.4.14

Related Weaknesses (CWE)

CWE-191

References

FAQ

What is CVE-2017-8911?

CVE-2017-8911 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2017-8911?

CVE-2017-8911 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-8911?

Check the references section above for vendor advisories and patch information. Affected products include: Tnef Project Tnef.