#VU85788 Race condition in Answer - CVE-2023-49619

Vulnerability identifier: #VU85788

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-49619

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Answer
Web applications / Other software

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to create a huge number of collections.

The vulnerability exists due to a race condition when bookmarking questions. A remote user can create an abnormal number of collections for questions by bookmarking the same question multiple times.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Answer: 0.2.0 - 1.2.0

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External links
https://lists.apache.org/thread/nscrl3c7pn68q4j73y3ottql6n5x3hd4
https://www.openwall.com/lists/oss-security/2024/01/10/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.