Integer underflow - CVE-2017-8911
Published: June 2, 2017
Vulnerability identifier: #VU6875
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8911
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer underflow in the unicode_to_utf8() function in tnef 1.4.14. A remote attacker can execute arbitrary code on the target system.
The vulnerability exists due to integer underflow in the unicode_to_utf8() function in tnef 1.4.14. A remote attacker can execute arbitrary code on the target system.
Affected software
Debian Linux
Gentoo Linux
Fedora
tnef
Gentoo Linux
Fedora
tnef
How to mitigate CVE-2017-8911
tnef - addressed in versions 1.4.15-1.el6, 1.4.15-1.el7, 1.4.15-1.fc25, 1.4.15-1.fc26, 1.4.15-1.fc27