openSUSE Security Update: Security update for gnutls
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Announcement ID: openSUSE-SU-2018:2958-1
Rating: moderate
References: #1047002 #1105437 #1105459 #1105460
Cross-References: CVE-2017-10790 CVE-2018-10844 CVE-2018-10845
CVE-2018-10846
Affected Products:
openSUSE Leap 15.0
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An update that fixes four vulnerabilities is now available.

Description:

This update for gnutls fixes the following security issues:

– Improved mitigations against Lucky 13 class of attacks
– CVE-2018-10846: “Just in Time” PRIME + PROBE cache-based side channel
attack can lead to plaintext recovery (bsc#1105460)
– CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to
use
of wrong constant (bsc#1105459)
– CVE-2018-10844: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to
not enough dummy function calls (bsc#1105437)
– CVE-2017-10790: The _asn1_check_identifier function in Libtasn1 caused a
NULL pointer dereference and crash (bsc#1047002)

This update was imported from the SUSE:SLE-15: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 Leap 15.0:

zypper in -t patch openSUSE-2018-1092=1

Package List:

– openSUSE Leap 15.0 (i586 x86_64):

gnutls-3.6.2-lp150.4.3.1
gnutls-debuginfo-3.6.2-lp150.4.3.1
gnutls-debugsource-3.6.2-lp150.4.3.1
gnutls-guile-3.6.2-lp150.4.3.1
gnutls-guile-debuginfo-3.6.2-lp150.4.3.1
libgnutls-dane-devel-3.6.2-lp150.4.3.1
libgnutls-dane0-3.6.2-lp150.4.3.1
libgnutls-dane0-debuginfo-3.6.2-lp150.4.3.1
libgnutls-devel-3.6.2-lp150.4.3.1
libgnutls30-3.6.2-lp150.4.3.1
libgnutls30-debuginfo-3.6.2-lp150.4.3.1
libgnutlsxx-devel-3.6.2-lp150.4.3.1
libgnutlsxx28-3.6.2-lp150.4.3.1
libgnutlsxx28-debuginfo-3.6.2-lp150.4.3.1

– openSUSE Leap 15.0 (x86_64):

libgnutls-devel-32bit-3.6.2-lp150.4.3.1
libgnutls30-32bit-3.6.2-lp150.4.3.1
libgnutls30-32bit-debuginfo-3.6.2-lp150.4.3.1

References:

https://www.suse.com/security/cve/CVE-2017-10790.html
https://www.suse.com/security/cve/CVE-2018-10844.html
https://www.suse.com/security/cve/CVE-2018-10845.html
https://www.suse.com/security/cve/CVE-2018-10846.html
https://bugzilla.suse.com/1047002
https://bugzilla.suse.com/1105437
https://bugzilla.suse.com/1105459
https://bugzilla.suse.com/1105460

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