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SUSE SLED12 / SLES12 Security Update : gnutls (SUSE-SU-2018:2842-1)
medium Nessus Plugin ID 117702
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for gnutls fixes the following issues :Security issues fixed :
Improved mitigations against Lucky 13 class of attacks
- 'Just in Time' PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (CVE-2018-10846, bsc#1105460)
- HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (CVE-2018-10845, bsc#1105459)
- HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (CVE-2018-10844, bsc#1105437)
The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (CVE-2017-10790, bsc#1047002)
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE 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 Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1990=1
SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1990=1
SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1990=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1047002
https://bugzilla.suse.com/show_bug.cgi?id=1105437
https://bugzilla.suse.com/show_bug.cgi?id=1105459
https://bugzilla.suse.com/show_bug.cgi?id=1105460
https://www.suse.com/security/cve/CVE-2017-10790/
https://www.suse.com/security/cve/CVE-2018-10844/
https://www.suse.com/security/cve/CVE-2018-10845/
Plugin Details
Severity: Medium
ID: 117702
File Name: suse_SU-2018-2842-1.nasl
Version: 1.6
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 9/25/2018
Updated: 8/5/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2018-10845
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libgnutls-openssl27, p-cpe:/a:novell:suse_linux:libgnutls28-debuginfo, p-cpe:/a:novell:suse_linux:gnutls-debugsource, p-cpe:/a:novell:suse_linux:libgnutls28, p-cpe:/a:novell:suse_linux:libgnutls-openssl27-debuginfo, p-cpe:/a:novell:suse_linux:gnutls-debuginfo, p-cpe:/a:novell:suse_linux:gnutls
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/24/2018
Vulnerability Publication Date: 7/2/2017
Reference Information
CVE: CVE-2017-10790, CVE-2018-10844, CVE-2018-10845, CVE-2018-10846