openSUSE Leap 15.1: Important Update gnutls Session Ticket Issue Fix
opensuse
June 10, 2020
An update that solves one vulnerability and has one errata is now available.
Description
This update for gnutls fixes the following issues:
- CVE-2020-13777: Fixed an insecure session ticket key construction which
could have made the TLS server to not bind the session ticket encryption
key with a value supplied by the application until the initial key
rotation, allowing an attacker to bypass authentication in TLS 1.3 and
recover previous conversations in TLS 1.2 (bsc#1172506).
- Fixed an improper handling of certificate chain with cross-signed
intermediate CA certificates (bsc#1172461).
This update was imported from the SUSE:SLE-15:Update update project.
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 15.1:
zypper in -t patch openSUSE-2020-790=1
Package List
- openSUSE Leap 15.1 (i586 x86_64):
gnutls-3.6.7-lp151.2.18.1
gnutls-debuginfo-3.6.7-lp151.2.18.1
gnutls-debugsource-3.6.7-lp151.2.18.1
gnutls-guile-3.6.7-lp151.2.18.1
gnutls-guile-debuginfo-3.6.7-lp151.2.18.1
libgnutls-dane-devel-3.6.7-lp151.2.18.1
libgnutls-dane0-3.6.7-lp151.2.18.1
libgnutls-dane0-debuginfo-3.6.7-lp151.2.18.1
libgnutls-devel-3.6.7-lp151.2.18.1
libgnutls30-3.6.7-lp151.2.18.1
libgnutls30-debuginfo-3.6.7-lp151.2.18.1
libgnutls30-hmac-3.6.7-lp151.2.18.1
libgnutlsxx-devel-3.6.7-lp151.2.18.1
libgnutlsxx28-3.6.7-lp151.2.18.1
libgnutlsxx28-debuginfo-3.6.7-lp151.2.18.1
- openSUSE Leap 15.1 (x86_64):
libgnutls-devel-32bit-3.6.7-lp151.2.18.1
libgnutls30-32bit-3.6.7-lp151.2.18.1
libgnutls30-32bit-debuginfo-3.6.7-lp151.2.18.1
libgnutls30-hmac-32bit-3.6.7-lp151.2.18.1
References
https://www.suse.com/security/cve/CVE-2020-13777.html
https://bugzilla.suse.com/1172461
https://bugzilla.suse.com/1172506
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2020:0790-1
Rating: important
Affected Products:
openSUSE Leap 15.1
le.
Topics Covered
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