SUSE SLES12 Security Update : quagga (SUSE-SU-2017:2294-1)

critical Nessus Plugin ID 102841

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update provides Quagga 1.1.1, which brings several fixes and enhancements. Security issues fixed :

- CVE-2017-5495: Telnet 'vty' interface DoS due to unbounded memory allocation. (bsc#1021669)

- CVE-2016-1245: Stack overrun in IPv6 RA receive code.
(bsc#1005258) Bug fixes :

- Do not enable zebra's TCP interface (port 2600) to use default UNIX socket for communication between the daemons. (fate#323170) Between 0.99.22.1 and 1.1.1 the following improvements have been implemented :

- Changed the default of 'link-detect' state, controlling whether zebra will respond to link-state events and consider an interface to be down when link is down. To retain the current behavior save your config before updating, otherwise remove the 'link-detect' flag from your config prior to updating. There is also a new global 'default link-detect (on|off)' flag to configure the global default.

- Greatly improved nexthop resolution for recursive routes.

- Event driven nexthop resolution for BGP.

- Route tags support.

- Transport of TE related metrics over OSPF, IS-IS.

- IPv6 Multipath for zebra and BGP.

- Multicast RIB support has been extended. It still is IPv4 only.

- RIP for IPv4 now supports equal-cost multipath (ECMP).

- route-maps have a new action 'set ipv6 next-hop peer-address'.

- route-maps have a new action 'set as-path prepend last-as'.

- 'next-hop-self all' to override nexthop on iBGP route reflector setups.

- New pimd daemon provides IPv4 PIM-SSM multicast routing.

- IPv6 address management has been improved regarding tentative addresses. This is visible in that a freshly configured address will not immediately be marked as usable.

- Recursive route support has been overhauled. Scripts parsing 'show ip route' output may need adaptation.

- A large amount of changes has been merged for ospf6d.
Careful evaluation prior to deployment is recommended.

- Multiprotocol peerings over IPv6 now try to find a more appropriate IPv4 nexthop by looking at the interface.

- Relaxed bestpath criteria for multipath and improved display of multipath routes in 'show ip bgp'. Scripts parsing this output may need to be updated.

- Support for iBGP TTL security.

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-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2017-1407=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-1407=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-1407=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2017-1407=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1407=1

To bring your system up-to-date, use 'zypper patch'.

Plugin Details

Severity: Critical

ID: 102841

File Name: suse_SU-2017-2294-1.nasl

Version: 3.6

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/30/2017

Updated: 1/6/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libfpm_pb0, p-cpe:/a:novell:suse_linux:libfpm_pb0-debuginfo, p-cpe:/a:novell:suse_linux:libospf0, p-cpe:/a:novell:suse_linux:libospf0-debuginfo, p-cpe:/a:novell:suse_linux:libospfapiclient0, p-cpe:/a:novell:suse_linux:libospfapiclient0-debuginfo, p-cpe:/a:novell:suse_linux:libquagga_pb0, p-cpe:/a:novell:suse_linux:libquagga_pb0-debuginfo, p-cpe:/a:novell:suse_linux:libzebra1, p-cpe:/a:novell:suse_linux:libzebra1-debuginfo, p-cpe:/a:novell:suse_linux:quagga, p-cpe:/a:novell:suse_linux:quagga-debuginfo, p-cpe:/a:novell:suse_linux:quagga-debugsource, cpe:/o:novell:suse_linux:12

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: 8/29/2017

Vulnerability Publication Date: 1/24/2017

Reference Information

CVE: CVE-2016-1245, CVE-2017-5495

Detections

Analytics