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openSUSE: 2021:1178-1 Important: tor DoS Threat Addressed

opensuse
Calendar Grey August 22, 2021
Scroller Opensuse
A crucial patch for tor has been issued addressing a remote DoS vulnerability recognized as CVE-2021-38385.
An update that fixes one vulnerability is now available

Description

This update for tor fixes the following issues:

tor 0.4.6.7:

* Fix a DoS via a remotely triggerable assertion failure (boo#1189489,

TROVE-2021-007, CVE-2021-38385)

tor 0.4.6.6:

* Fix a compilation error with gcc 7, drop tor-0.4.6.5-gcc7.patch

* Enable the deterministic RNG for unit tests that covers the address set

bloomfilter-based API's

tor 0.4.6.5

* Add controller support for creating v3 onion services with client auth

* When voting on a relay with a Sybil-like appearance, add the Sybil flag

when clearing out the other flags. This lets a relay

operator know why their relay hasn't been included in the consensus

* Relays now report how overloaded they are

* Add a new DoS subsystem to control the rate of client connections for

relays

* Relays now publish statistics about v3 onions services

* Improve circuit timeout algorithm for client performance

This update was imported from the openSUSE:Leap:15.2:Update...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory software update DoS patch important update openSUSE tor

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP2:

zypper in -t patch openSUSE-2021-1178=1

Package List

- openSUSE Backports SLE-15-SP2 (aarch64 ppc64le s390x x86_64):

tor-0.4.6.7-bp152.2.15.1

References

https://www.suse.com/security/cve/CVE-2021-38385.html

https://bugzilla.suse.com/1189489

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:1178-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP2 .

Topics%20covered

Topics Covered

security advisory software update DoS patch important update openSUSE tor

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