Denial of service in expat



Published: 2024-11-01
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-50602
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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expat
Universal components / Libraries / Libraries used by multiple products

Vendor libexpat.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU99614

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-50602

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the XML_ResumeParser function. A remote attacker can pass specially crafted XML input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

expat: 2.0.0 - 2.6.3

CPE2.3 External links

http://github.com/libexpat/libexpat/pull/915


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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