openSUSE: 2021:0926-1 Important: DoS and Access Fixes for tor
opensuse
June 25, 2021
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.
Topics Covered
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 Leap 15.2:
zypper in -t patch openSUSE-2021-926=1
Package List
- openSUSE Leap 15.2 (x86_64):
tor-0.4.5.9-lp152.2.12.1
tor-debuginfo-0.4.5.9-lp152.2.12.1
tor-debugsource-0.4.5.9-lp152.2.12.1
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
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2021:0926-1
Rating: important
Affected Products:
openSUSE Leap 15.2
ble.
Topics Covered
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