Integer overflow in Libidn2 - CVE-2017-14061

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Main Vulnerability Database Vulnerabilities #VU8648

Integer overflow in Libidn2 - CVE-2017-14061

Published: October 2, 2017


Vulnerability identifier: #VU8648
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-2017-14061
CWE-ID: CWE-190
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 overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4. A remote attacker can cause a denial of service or possibly have unspecified other impact.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Libidn2
Fedora
libidn2
mingw-libidn2

How to mitigate CVE-2017-14061


libidn2 - addressed in versions 2.0.4-1.el6, 2.0.4-1.el7, 2.0.4-1.fc25, 2.0.4-1.fc26, 2.0.4-1.fc27
mingw-libidn2 - addressed in versions 2.0.4-1.el7, 2.0.4-1.fc26, 2.0.4-1.fc27

External References

Related Security Bulletins