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openSUSE: 2021:0941-1 Important: Mitigate Tor Denial Of Service Threat

opensuse
Calendar Grey June 30, 2021
Dist Opensuse Esm H88
The latest upgrades for Tor on openSUSE address significant vulnerabilities and bolster security protocols to safeguard against potential threats.
An update that solves three vulnerabilities and has three fixes is now available

Description

This update for tor fixes the following issues:

tor 0.4.5.9

* Don't allow relays to spoof RELAY_END or RELAY_RESOLVED cell

(CVE-2021-34548, boo#1187322)

* Detect more failure conditions from the OpenSSL RNG code (boo#1187323)

* Resist a hashtable-based CPU denial-of-service attack against relays

(CVE-2021-34549, boo#1187324)

* Fix an out-of-bounds memory access in v3 onion service descriptor

parsing (CVE-2021-34550, boo#1187325)

tor 0.4.5.8

* https://archive.torproject.org/websites/lists.torproject.org/pipermail/tor-announce/2021-May/000219.html

* allow Linux sandbox with Glibc 2.33

* work with autoconf 2.70+

* several other minor features and bugfixes (see announcement)

- Fix logging issue due to systemd picking up stdout - boo#1181244

Continue to log notices to syslog by default.

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

Topics%20covered

Topics Covered

security advisory threat mitigation Denial Of Service 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-2021-941=1

Package List

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

tor-0.4.5.9-bp152.2.12.1

References

https://www.suse.com/security/cve/CVE-2021-34548.html

https://www.suse.com/security/cve/CVE-2021-34549.html

https://www.suse.com/security/cve/CVE-2021-34550.html

https://bugzilla.suse.com/1179331

https://bugzilla.suse.com/1181244

https://bugzilla.suse.com/1187322

https://bugzilla.suse.com/1187323

https://bugzilla.suse.com/1187324

https://bugzilla.suse.com/1187325

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0941-1
Rating: important
Affected Products: openSUSE Backports SLE-15-SP2 ble.

Topics%20covered

Topics Covered

security advisory threat mitigation Denial Of Service openSUSE tor

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