Vulnerability identifier: #VU60739

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2022-25315

CWE-ID:

Exploitation vector: Network

Exploit availability:

Vulnerable software:
expat
Universal components / Libraries / Libraries used by multiple products

Vendor: libexpat.org

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in storeRawNames function. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

expat: 1.95.0 - 2.4.4

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Fixed software versions

CPE

• cpe:2.3:a:libexpat_org:libexpat:2.4.4:*:*:*:*:*:*:*

External links
http://github.com/libexpat/libexpat/pull/559
http://www.openwall.com/lists/oss-security/2022/02/19/1

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?