#VU101764 Information Exposure Through Timing Discrepancy in basic-auth-connect - CVE-2024-47178

Vulnerability identifier: #VU101764

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-47178

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
basic-auth-connect
Other software / Other software solutions

Vendor: Express.js

Description

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

The vulnerability exists due to basic-auth-connect uses a timing-unsafe equality comparison that can leak timing information. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

basic-auth-connect: 1.0.0

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External links
https://github.com/expressjs/basic-auth-connect/security/advisories/GHSA-7p89-p6hx-q4fw
https://github.com/expressjs/basic-auth-connect/commit/bac1e6a8530e1efd0028800b9b588a37adb0d203

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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.