A tor security update has been released for SUSE Linux Enterprise 12.

opensuse-security-announce: openSUSE-SU-2020:1970-1: important: Security update for tor

openSUSE Security Update: Security update for tor
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Announcement ID: openSUSE-SU-2020:1970-1
Rating: important
References: #1164275 #1167013 #1167014 #1173979 #1178741

Cross-References: CVE-2020-10592 CVE-2020-10593 CVE-2020-15572

Affected Products:
SUSE Package Hub for SUSE Linux Enterprise 12
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An update that solves three vulnerabilities and has two
fixes is now available.

Description:

This update for tor fixes the following issues:

Updating tor to a newer version in the respective codestream.

- tor 0.3.5.12:
* Check channels+circuits on relays more thoroughly (TROVE-2020-005,
boo#1178741)
* Not affected by out-of-bound memory access (CVE-2020-15572,
boo#1173979)
* Fix DoS defenses on bridges with a pluggable transport
* CVE-2020-10592: CPU consumption DoS and timing patterns (boo#1167013)
* CVE-2020-10593: circuit padding memory leak (boo#1167014)

- tor 0.4.4.6
* Check channels+circuits on relays more thoroughly (TROVE-2020-005,
boo#1178741)
* Fix a crash due to an out-of-bound memory access (CVE-2020-15572,
boo#1173979)
* Fix logrotate to not fail when tor is stopped (boo#1164275)

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:

- SUSE Package Hub for SUSE Linux Enterprise 12:

zypper in -t patch openSUSE-2020-1970=1


Package List:

- SUSE Package Hub for SUSE Linux Enterprise 12 (aarch64 ppc64le s390x x86_64):

tor-0.3.5.12-25.1

References:

  https://www.suse.com/security/cve/CVE-2020-10592.html
  https://www.suse.com/security/cve/CVE-2020-10593.html
  https://www.suse.com/security/cve/CVE-2020-15572.html
  https://bugzilla.suse.com/1164275
  https://bugzilla.suse.com/1167013
  https://bugzilla.suse.com/1167014
  https://bugzilla.suse.com/1173979
  https://bugzilla.suse.com/1178741