Fedora 34 update for mingw-uriparser, uriparser

Published: 2022-01-07

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-46141 CVE-2021-46142
CWE-ID	CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system uriparser Operating systems & Components / Operating system package or component mingw-uriparser Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU60085

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-46141

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a use-after-free error when parsing URI in uriFreeUriMembers and uriMakeOwner in uriparser. A remote attacker can trick the victim to open a specially crafted URI, trigger a use-after-free error and crash the application that us using the affected library.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 34

uriparser: before 0.9.6-1.fc34

mingw-uriparser: before 0.9.6-1.fc34

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2022-00a529a8bf

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) Use-after-free

EUVDB-ID: #VU60086