Vulnerability identifier: #VU63008

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-27781

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cURL
Client/Desktop applications / Other client software

Vendor: curl.haxx.se

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when handling requests with the CURLOPT_CERTINFO option. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

cURL: 7.34.0 - 7.83.0

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CPE

• cpe:2.3:a:curl_haxx_se:curl:7.83.0:*:*:*:*:*:*:*

External links
http://curl.haxx.se/docs/CVE-2022-27781.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?