#VU68546 Information Exposure Through Timing Discrepancy in Generic Webhook Trigger - CVE-2022-43412

Vulnerability identifier: #VU68546

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-43412

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Generic Webhook Trigger
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin does not use a constant-time comparison when checking whether the provided and expected webhook token are equal. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Generic Webhook Trigger: 1.0 - 1.84.1

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External links
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2874
https://www.openwall.com/lists/oss-security/2022/10/19/3

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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.