Arch Linux: ASA-202108-9 High: Lynx Information Disclosure

Arch Linux Security Advisory ASA-202108-9
========================================
Severity: High
Date    : 2021-08-10
CVE-ID  : CVE-2021-38165
Package : lynx
Type    : information disclosure
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2261

Summary
======
The package lynx before version 2.8.9-4 is vulnerable to information
disclosure.

Resolution
=========
Upgrade to 2.8.9-4.

# pacman -Syu "lynx>=2.8.9-4"

The problem has been fixed upstream but no release is available yet.

Workaround
=========
None.

Description
==========
HTParse in Lynx through 2.8.9 mishandles the userinfo subcomponent of a
URI, which allows remote attackers to discover cleartext credentials
because they may appear in SNI data or HTTP headers.

Impact
=====
A remote attacker could retrieve HTTP Basic Authentication credentials.

References
=========
https://bugs.archlinux.org/task/71764

https://lynx.invisible-island.net/current/CHANGES.html#index-v2.9.0dev.9
https://github.com/archlinux/svntogit-packages/blob/packages/lynx/trunk/CVE-2021-38165.diff
https://security.archlinux.org/CVE-2021-38165