Information disclosure in wget - CVE-2018-20483
Published: January 2, 2019
Vulnerability identifier: #VU16783
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20483
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
wget
wget
Detailed vulnerability description
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to set_file_metadata in xattr.c stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file. A local attacker can read this attribute, as demonstrated by getfattr and obtain credentials contained in the URL.
How to mitigate CVE-2018-20483
Update to version 1.20.1.