Denial of service in IBM HTTP Server

1) Input validation error

EUVDB-ID: #VU72613

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-26281

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied URL. A remote attacker can request a specially crafted URL and crash the web server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM HTTP Server: 8.5.0.0 - 8.5.5.23

External links

http://www.ibm.com/support/pages/node/6958522

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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