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openSUSE 15.0: 2018:2959-1 High: GnuTLS Security Enhancement

opensuse
Calendar Grey October 1, 2018
Dist Opensuse Esm H88
Critical announcement for openSUSE concerning gnutls weaknesses with essential measures to counter numerous threats.
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.

Topics%20covered

Topics Covered

security advisory moderate attack mitigation GnuTLS openSUSE

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 15.0:

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

--

Announcement ID: openSUSE-SU-2018:2958-1
Rating: moderate
Affected Products: openSUSE Leap 15.0

Topics%20covered

Topics Covered

security advisory moderate attack mitigation GnuTLS openSUSE

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