Home / mailings [gentoo-announce] [ GLSA 202305-11 ] Tor: Multiple Vulnerabilities
Posted on 03 May 2023
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Gentoo Linux Security Advisory GLSA 202305-11
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https://security.gentoo.org/
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Severity: Normal
Title: Tor: Multiple Vulnerabilities
Date: May 03, 2023
Bugs: #808681, #852821, #890618
ID: 202305-11
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Synopsis
========
Multiple vulnerabilities have been found in Tor, the worst of which
could result in denial of service.
Background
==========
Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.
Affected packages
=================
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Package / Vulnerable / Unaffected
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1 net-vpn/tor < 0.4.7.13 >= 0.4.7.13
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 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.7.13"
References
==========
[ 1 ] CVE-2021-38385
https://nvd.nist.gov/vuln/detail/CVE-2021-38385
[ 2 ] CVE-2022-33903
https://nvd.nist.gov/vuln/detail/CVE-2022-33903
[ 3 ] CVE-2023-23589
https://nvd.nist.gov/vuln/detail/CVE-2023-23589
[ 4 ] TROVE-2021-007
[ 5 ] TROVE-2022-001
[ 6 ] TROVE-2022-002
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202305-11
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 2023 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
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