Race condition in Apache Answer

1) Race condition

EUVDB-ID: #VU85788

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 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:apache_foundation:answer:0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:answer:0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:answer:0.4.0:*:*:*:*:*:*:*

External links

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

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.