- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202107-25
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Tor: Multiple vulnerabilities
Date: July 10, 2021
Bugs: #776586, #795969
ID: 202107-25
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Multiple vulnerabilities have been found in Tor, the worst of which
could result in a Denial of Service condition.
Background
==========
Tor is an implementation of second generation Onion Routing, a connection-oriented anonymizing communication service.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-vpn/tor < 0.4.6.5 >= 0.4.6.5
>= 0.4.5.9
>= 0.4.4.9
Description
===========
Multiple vulnerabilities have been discovered in Tor. Please review the
CVE identifiers referenced below for details.
Impact
======
Please review the referenced CVE identifiers for details.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Tor 0.4.6.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.6.5"
All Tor 0.4.5.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.5.9"
All Tor 0.4.4.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.4.9"
References
==========
[ 1 ] CVE-2021-28089
https://nvd.nist.gov/vuln/detail/CVE-2021-28089
[ 2 ] CVE-2021-28090
https://nvd.nist.gov/vuln/detail/CVE-2021-28090
[ 3 ] CVE-2021-34548
https://nvd.nist.gov/vuln/detail/CVE-2021-34548
[ 4 ] CVE-2021-34549
https://nvd.nist.gov/vuln/detail/CVE-2021-34549
[ 5 ] CVE-2021-34550
https://nvd.nist.gov/vuln/detail/CVE-2021-34550
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-25
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
-----BEGIN PGP SIGNATURE-----
iQIzBAABCAAdFiEElFuPenBj6NvNLoABXP0dAeB+IzgFAmDpD08ACgkQXP0dAeB+ IzjxJQ/+NdDksIZx5DwZcfGSwv4fWTMVyATnwClpXb2cNC1MG1hzrhfodXYRXiY2 uVIykAlljWomOkM2lhNznvn1o8l7bX2uDwOVlAHooorSMHo/CJ5sKZ1lDLCYGQF0 ypP7JI9mSiMyJTyfc6mA4zyFVEl8ZqFyZN3jBgG6iySzv/RYDooSMRYa5hJb5Pqc PYdf9xUZOxQVzG7MX06P21vxUBTR2l5GnsICsxJ1xrF5DZWCacvJEjVVd4P7gQvB jEjkVQQkTv9S9Hm+6RPMvbTL4wHUKadZFbqxUhrMSUQjdsm705Cb7RGQobqGaBNd VTdFepvC5jKTquID020toRgG4RiW5jGVBvE/NhSjrBs7A+o+tRbcFrBSwHlcS4jt gjT24IXeopJqR+RfSyj3vNce5ANVdi9n4iRSM82RnkvMOJ66LmdWs1bkbRnodXBC GAGCsy+or+oQp2KVK9fUtzlXnbQeJTwxP+WzI8tONdNibtLMbrEee3CoNPIMcwuE RtbGLyfuFPomKGT+m4x+txs3TaIQuNLi9Nc+RomA0l1BhaflCbr+ra8MrEshLXbb QzgJwiPU8qeBefSnk3nwZofH0pnxI6WPqUJloxzqPlDCfOW9wQOojtrnyG/UxCra MPq4jLXSHJJxGOekDoQNWSejpzfJ/KXI7TySDeJss2m+GKaC98U=
=qbzc
-----END PGP SIGNATURE-----
--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)