#VU21091 Out-of-bounds read in expat - CVE-2019-15903
Published: September 12, 2019 / Updated: November 20, 2024
Vulnerability identifier: #VU21091
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-15903
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
expat
expat
Software vendor:
libexpat.org
libexpat.org
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing XML documents within the expat library. A remote attacker can create a specially crafted XML file, pass it to the affected application, trigger out-of-bounds read error and read contents of memory on the system or crash the affected application.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.