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SUSE SLES15 Security Update : nginx (SUSE-SU-2019:0334-1)
medium Nessus Plugin ID 122147
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for nginx to version 1.14.2 fixes the following issues :Security vulnerabilities addressed :
CVE-2018-16843 CVE-2018-16844: Fixed an issue whereby a client using HTTP/2 might cause excessive memory consumption and CPU usage (bsc#1115025 bsc#1115022).
CVE-2018-16845: Fixed an issue which might result in worker process memory disclosure whne processing of a specially crafted mp4 file with the ngx_http_mp4_module (bsc#1115015).
Other bug fixes and changes made: Fixed an issue with handling of client addresses when using unix domain listen sockets to work with datagrams on Linux.
The logging level of the 'http request', 'https proxy request', 'unsupported protocol', 'version too low', 'no suitable key share', and 'no suitable signature algorithm' SSL errors has been lowered from 'crit' to 'info'.
Fixed an issue with using OpenSSL 1.1.0 or newer it was not possible to switch off 'ssl_prefer_server_ciphers' in a virtual server if it was switched on in the default server.
Fixed an issue with TLS 1.3 always being enabled when built with OpenSSL 1.1.0 and used with 1.1.1
Fixed an issue with sending a disk-buffered request body to a gRPC backend
Fixed an issue with connections of some gRPC backends might not be cached when using the 'keepalive' directive.
Fixed a segmentation fault, which might occur in a worker process if the ngx_http_mp4_module was used on 32-bit platforms.
Fixed an issue, whereby working with gRPC backends might result in excessive memory consumption.
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 Module for Server Applications 15:zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-334=1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-334=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1115015
https://bugzilla.suse.com/show_bug.cgi?id=1115022
https://bugzilla.suse.com/show_bug.cgi?id=1115025
https://www.suse.com/security/cve/CVE-2018-16843/
https://www.suse.com/security/cve/CVE-2018-16844/
Plugin Details
Severity: Medium
ID: 122147
File Name: suse_SU-2019-0334-1.nasl
Version: 1.3
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 2/13/2019
Updated: 2/12/2020
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.2
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSS Score Source: CVE-2018-16845
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.3
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:nginx-debuginfo, p-cpe:/a:novell:suse_linux:nginx-debugsource, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:nginx
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 2/12/2019
Vulnerability Publication Date: 11/7/2018