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CVE-2018-20483

Status Candidate

Overview

set_file_metadata in xattr.c in GNU Wget before 1.20.1 stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file, which allows local users to obtain sensitive information (e.g., credentials contained in the URL) by reading this attribute, as demonstrated by getfattr. This also applies to Referer information in the user.xdg.referrer.url metadata attribute. According to 2016-07-22 in the Wget ChangeLog, user.xdg.origin.url was partially based on the behavior of fwrite_xattr in tool_xattr.c in curl.

Related Files

Gentoo Linux Security Advisory 201903-08
Posted Mar 11, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201903-8 - A vulnerability in GNU Wget which could allow an attacker to obtain sensitive information. Versions less than 1.20.1 are affected.

tags | advisory
systems | linux, gentoo
advisories | CVE-2018-20483
MD5 | d7f48f2cd85c37e3b7d6998790371889
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