Vulnerability identifier: #VU60738
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-190
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
expat
Universal components / Libraries /
Libraries used by multiple products
Vendor: libexpat.org
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in copyString. A remote attacker can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
expat: 1.95.0 - 2.4.4
External links
http://github.com/libexpat/libexpat/pull/560
http://www.openwall.com/lists/oss-security/2022/02/19/1
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.