Fedora 27 update for mingw-libidn2

Published: 2017-08-30 | Updated: 2025-04-24

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-14061 CVE-2017-14062
CWE-ID	CWE-190
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system mingw-libidn2 Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU8648

Risk: High

CVSSv4.0: 6.1 [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/E:U/U:Amber]

CVE-ID: CVE-2017-14061

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 27

mingw-libidn2: before 2.0.4-1.fc27

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-b469be1a72

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Integer overflow

EUVDB-ID: #VU8647