Buffer overflow in wget - CVE-2019-5953
Published: April 6, 2019
Vulnerability identifier: #VU18143
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-5953
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
wget
wget
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling Internationalized Resource Identifiers (IRI) during recursive downloading. A remote attacker can trick the victim to connect to a malicious web server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-5953
Install updates from vendor's website.