Anolis OS update for httpd

1) HTTP response splitting

EUVDB-ID: #VU73107

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

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 updates from vendor's repository.

Vulnerable software versions

Anolis OS: 7

httpd-manual: before 2.4.6-98

mod_ssl: before 2.4.6-98

mod_session: before 2.4.6-98

mod_proxy_html: before 2.4.6-98

mod_ldap: before 2.4.6-98

httpd-tools: before 2.4.6-98

httpd-devel: before 2.4.6-98

httpd: before 2.4.6-98

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:7:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:httpd-manual:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:mod_ssl:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:mod_session:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:mod_proxy_html:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:mod_ldap:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:httpd-tools:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:httpd-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:httpd:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0114

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.