#VU66788 Buffer overflow in libapreq2 - CVE-2022-22728

Vulnerability identifier: #VU66788

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-22728

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libapreq2
Universal components / Libraries / Libraries used by multiple products

Vendor: Apache Foundation

Description

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

The vulnerability exists due to a boundary error when processing multipart form uploads. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libapreq2: 2.01-dev - 2.16

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External links
https://lists.apache.org/thread/2fsjoor96d47vtkpf76x4yo06nccvy1y
https://www.openwall.com/lists/oss-security/2022/08/25/4
https://www.openwall.com/lists/oss-security/2022/08/25/3
https://www.openwall.com/lists/oss-security/2022/08/26/4

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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.