openEuler 22.03 LTS SP3 update for mod_security



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-52891
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

mod_security-debugsource
Operating systems & Components / Operating system package or component

mod_security-debuginfo
Operating systems & Components / Operating system package or component

mod_security
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU112103

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-52891

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

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 XML data with an empty XML tag. A remote attacker can send specially crafted XML data to the web application protected with ModSecurity, trigger memory corruption and perform a denial of service (DoS) attack.

Note, the vulnerability affects installations with SecParseXmlIntoArgs set to "On" or "OnlyArgs", which is not the default configuration. 

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP3

mod_security-debugsource: before 2.9.11-1

mod_security-debuginfo: before 2.9.11-1

mod_security: before 2.9.11-1

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1752


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.



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