openEuler 20.03 LTS SP1 update for xmlbeans



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-23926
CWE-ID CWE-776
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

xmlbeans-manual
Operating systems & Components / Operating system package or component

xmlbeans-javadoc
Operating systems & Components / Operating system package or component

xmlbeans-scripts
Operating systems & Components / Operating system package or component

xmlbeans
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) XML Entity Expansion

EUVDB-ID: #VU49517

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-23926

CWE-ID: CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation when processing XML data. A remote attacker can pass specially crafted XML data to the application and perform XML Entity Expansion attacks.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

xmlbeans-manual: before 2.6.0-2

xmlbeans-javadoc: before 2.6.0-2

xmlbeans-scripts: before 2.6.0-2

xmlbeans: before 2.6.0-2

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1077


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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