IBM QRadar SIEM update for Apache HTTP Server

1) HTTP response splitting

EUVDB-ID: #VU73107

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-25690

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences in mod_rewrite and mod_proxy. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Qradar SIEM: 7.5 - 7.5.0 Update Package 3 Interim Fix 02

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_qradar_siem:7.5.0:Update Package 3 Interim Fix 02:*:*:*:*:*:

External links

http://www.ibm.com/support/pages/node/6999241

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. However, proof of concept for this vulnerability is available.