A tor security update has been released for SUSE Linux Enterprise 15 SP2.

openSUSE-SU-2021:0941-1: important: Security update for tor

openSUSE Security Update: Security update for tor
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Announcement ID: openSUSE-SU-2021:0941-1
Rating: important
References: #1179331 #1181244 #1187322 #1187323 #1187324
#1187325
Cross-References: CVE-2021-34548 CVE-2021-34549 CVE-2021-34550

Affected Products:
openSUSE Backports SLE-15-SP2
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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://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.

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