Denial of service in Apache Xerces Java



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23437
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Xerces2 Java XML Parser
Universal components / Libraries / Software for developers

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU59965

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23437

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop when parsing XML documents. A remote attacker can supply a specially crafted XML document, consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Xerces2 Java XML Parser: 2.0.0 - 2.12.1

CPE2.3 External links

https://lists.apache.org/thread/6pjwm10bb69kq955fzr1n0nflnjd27dl
https://www.openwall.com/lists/oss-security/2022/01/24/3


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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