Fedora 32 update for libmicrohttpd



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3466
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

libmicrohttpd
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU52879

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-3466

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the post_process_urlencoded () function. A remote attacker can create a specially crafted HTTP POST request to the application, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 32

libmicrohttpd: before 0.9.73-1.fc32

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2021-6d5578e756


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.



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