Vulnerability identifier: #VU86623

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23807

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Xerces C++
Universal components / Libraries / Libraries used by multiple products

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the XML parser when scanning of external DTDs. A remote attacker can pass specially crafted input to the application, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability exists due to an incorrect fix for #VU24140 (CVE-2018-1311).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Xerces C++: 3.0.0 - 3.2.4

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External links
http://lists.apache.org/thread/c497tgn864tsbm8w0bo3f0d81s07zk9r
http://issues.apache.org/jira/browse/XERCESC-2188

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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.