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SUSE SLED12 / SLES12 Security Update : systemd (SUSE-SU-2016:2476-1)
medium Nessus Plugin ID 93937
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for systemd fixes the following security issue :- CVE-2016-7796: A zero-length message received over systemd's notification socket could make manager_dispatch_notify_fd() return an error and, as a side effect, disable the notification handler completely. As the notification socket is world-writable, this could have allowed a local user to perform a denial-of-service attack against systemd.
(bsc#1001765) Additionally, the following non-security fixes are included :
- Fix HMAC calculation when appending a data object to journal. (bsc#1000435)
- Never accept file descriptors from file systems with mandatory locking enabled. (bsc#954374)
- Do not warn about missing install info with 'preset'.
(bsc#970293)
- Save /run/systemd/users/UID before starting [email protected]. (bsc#996269)
- Make sure that /var/lib/systemd/sysv-convert/database is always initialized. (bsc#982211)
- Remove daylight saving time handling and tzfile parser.
(bsc#990074)
- Make sure directory watch is started before cryptsetup.
(bsc#987173)
- Introduce sd_pid_notify() and sd_pid_notifyf() APIs.
(bsc#987857)
- Set KillMode=mixed for our daemons that fork worker processes.
- Add nosuid and nodev options to tmp.mount.
- Don't start console-getty.service when /dev/console is missing. (bsc#982251)
- Correct segmentation fault in udev/path_id due to missing NULL check. (bsc#982210)
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 YaST online_update.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-1448=1
SUSE Linux Enterprise Server 12-SP1:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1448=1
SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-1448=1
To bring your system up-to-date, use 'zypper patch'.
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1000435
https://bugzilla.suse.com/show_bug.cgi?id=1001765
https://bugzilla.suse.com/show_bug.cgi?id=954374
https://bugzilla.suse.com/show_bug.cgi?id=970293
https://bugzilla.suse.com/show_bug.cgi?id=982210
https://bugzilla.suse.com/show_bug.cgi?id=982211
https://bugzilla.suse.com/show_bug.cgi?id=982251
https://bugzilla.suse.com/show_bug.cgi?id=987173
https://bugzilla.suse.com/show_bug.cgi?id=987857
https://bugzilla.suse.com/show_bug.cgi?id=990074
https://bugzilla.suse.com/show_bug.cgi?id=996269
Plugin Details
Severity: Medium
ID: 93937
File Name: suse_SU-2016-2476-1.nasl
Version: 2.8
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 10/10/2016
Updated: 1/6/2021
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: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-debuginfo, p-cpe:/a:novell:suse_linux:systemd-debuginfo, p-cpe:/a:novell:suse_linux:udev-debuginfo, p-cpe:/a:novell:suse_linux:libudev1, p-cpe:/a:novell:suse_linux:libudev1-32bit, p-cpe:/a:novell:suse_linux:libudev1-debuginfo, p-cpe:/a:novell:suse_linux:systemd-debuginfo-32bit, p-cpe:/a:novell:suse_linux:udev, p-cpe:/a:novell:suse_linux:systemd, p-cpe:/a:novell:suse_linux:libgudev-1_0-0, p-cpe:/a:novell:suse_linux:systemd-debugsource, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-32bit, p-cpe:/a:novell:suse_linux:libgudev-1_0-0-debuginfo-32bit, p-cpe:/a:novell:suse_linux:systemd-32bit, p-cpe:/a:novell:suse_linux:libudev1-debuginfo-32bit, p-cpe:/a:novell:suse_linux:systemd-sysvinit
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: 10/7/2016
Vulnerability Publication Date: 10/13/2016
Reference Information
CVE: CVE-2016-7796