The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - quagga: VPNv4 NLRI parser memcpys to stack on unchecked length (CVE-2016-2342)

  - quagga: Double free vulnerability in bgpd when processing certain forms of UPDATE message allowing to     crash or potentially execute arbitrary code (CVE-2018-5379)

  - quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal     (CVE-2012-5521)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - quagga: Double free vulnerability in bgpd when processing certain forms of UPDATE message allowing to     crash or potentially execute arbitrary code (CVE-2018-5379)

  - quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal     (CVE-2012-5521)

  - The aspath_put function in bgpd/bgp_aspath.c in Quagga before 1.2.2 allows remote attackers to cause a     denial of service (session drop) via BGP UPDATE messages, because AS_PATH size calculation for long paths     counts certain bytes twice and consequently constructs an invalid message. (CVE-2017-16227)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

According to the versions of the quagga package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in     the VPNv4 NLRI parser in bgpd in Quagga before     1.0.20160309, when a certain VPNv4 configuration is     used, relies on a Labeled-VPN SAFI routes-data length     field during a data copy, which allows remote attackers     to execute arbitrary code or cause a denial of service     (stack-based buffer overflow) via a crafted     packet.(CVE-2016-2342)

  - The bgp_dump_routes_func function in bgpd/bgp_dump.c in     Quagga does not perform size checks when dumping data,     which might allow remote attackers to cause a denial of     service (assertion failure and daemon crash) via a     large BGP packet.(CVE-2016-4049)

  - Open Shortest Path First (OSPF) protocol     implementations may improperly determine Link State     Advertisement (LSA) recency for LSAs with     MaxSequenceNumber. According to RFC 2328 section 13.1,     for two instances of the same LSA, recency is     determined by first comparing sequence numbers, then     checksums, and finally MaxAge. In a case where the     sequence numbers are the same, the LSA with the larger     checksum is considered more recent, and will not be     flushed from the Link State Database (LSDB). Since the     RFC does not explicitly state that the values of links     carried by a LSA must be the same when prematurely     aging a self-originating LSA with MaxSequenceNumber, it     is possible in vulnerable OSPF implementations for an     attacker to craft a LSA with MaxSequenceNumber and     invalid links that will result in a larger checksum and     thus a 'newer' LSA that will not be flushed from the     LSDB. Propagation of the crafted LSA can result in the     erasure or alteration of the routing tables of routers     within the routing domain, creating a denial of service     condition or the re-routing of traffic on the network.
    CVE-2017-3224 has been reserved for Quagga and     downstream implementations (SUSE, openSUSE, and Red Hat     packages).(CVE-2017-3224)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - quagga: Buffer Overflow in IPv6 RA handling (CVE-2016-1245)

  - quagga: VPNv4 NLRI parser memcpys to stack on unchecked length (CVE-2016-2342)

  - The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping     data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash)     via a large BGP packet. (CVE-2016-4049)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

According to the versions of the quagga package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Open Shortest Path First (OSPF) protocol     implementations may improperly determine Link State     Advertisement (LSA) recency for LSAs with     MaxSequenceNumber. According to RFC 2328 section 13.1,     for two instances of the same LSA, recency is     determined by first comparing sequence numbers, then     checksums, and finally MaxAge. In a case where the     sequence numbers are the same, the LSA with the larger     checksum is considered more recent, and will not be     flushed from the Link State Database (LSDB). Since the     RFC does not explicitly state that the values of links     carried by a LSA must be the same when prematurely     aging a self-originating LSA with MaxSequenceNumber, it     is possible in vulnerable OSPF implementations for an     attacker to craft a LSA with MaxSequenceNumber and     invalid links that will result in a larger checksum and     thus a 'newer' LSA that will not be flushed from the     LSDB. Propagation of the crafted LSA can result in the     erasure or alteration of the routing tables of routers     within the routing domain, creating a denial of service     condition or the re-routing of traffic on the network.
    CVE-2017-3224 has been reserved for Quagga and     downstream implementations (SUSE, openSUSE, and Red Hat     packages).(CVE-2017-3224)

  - The bgp_dump_routes_func function in bgpd/bgp_dump.c in     Quagga does not perform size checks when dumping data,     which might allow remote attackers to cause a denial of     service (assertion failure and daemon crash) via a     large BGP packet.(CVE-2016-4049)

  - The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in     the VPNv4 NLRI parser in bgpd in Quagga before     1.0.20160309, when a certain VPNv4 configuration is     used, relies on a Labeled-VPN SAFI routes-data length     field during a data copy, which allows remote attackers     to execute arbitrary code or cause a denial of service     (stack-based buffer overflow) via a crafted     packet.(CVE-2016-2342)

  - The Quagga BGP daemon (bgpd) prior to version 1.2.3 can     overrun internal BGP code-to-string conversion tables     used for debug by 1 pointer value, based on     input.(CVE-2018-5380)

  - The Quagga BGP daemon (bgpd) prior to version 1.2.3 has     a bug in its parsing of 'Capabilities' in BGP OPEN     messages, in the bgp_packet.c:bgp_capability_msg_parse     function. The parser can enter an infinite loop on     invalid capabilities if a Multi-Protocol capability     does not have a recognized AFI/SAFI, causing a denial     of service.(CVE-2018-5381)

  - It was discovered that the zebra daemon in Quagga     before 1.0.20161017 suffered from a stack-based buffer     overflow when processing IPv6 Neighbor Discovery     messages. The root cause was relying on BUFSIZ to be     compatible with a message size however, BUFSIZ is     system-dependent.(CVE-2016-1245)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the quagga package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - It was discovered that the zebra daemon in Quagga     before 1.0.20161017 suffered from a stack-based buffer     overflow when processing IPv6 Neighbor Discovery     messages. The root cause was relying on BUFSIZ to be     compatible with a message size however, BUFSIZ is     system-dependent.(CVE-2016-1245)

  - Open Shortest Path First (OSPF) protocol     implementations may improperly determine Link State     Advertisement (LSA) recency for LSAs with     MaxSequenceNumber. According to RFC 2328 section 13.1,     for two instances of the same LSA, recency is     determined by first comparing sequence numbers, then     checksums, and finally MaxAge. In a case where the     sequence numbers are the same, the LSA with the larger     checksum is considered more recent, and will not be     flushed from the Link State Database (LSDB). Since the     RFC does not explicitly state that the values of links     carried by a LSA must be the same when prematurely     aging a self-originating LSA with MaxSequenceNumber, it     is possible in vulnerable OSPF implementations for an     attacker to craft a LSA with MaxSequenceNumber and     invalid links that will result in a larger checksum and     thus a 'newer' LSA that will not be flushed from the     LSDB. Propagation of the crafted LSA can result in the     erasure or alteration of the routing tables of routers     within the routing domain, creating a denial of service     condition or the re-routing of traffic on the network.
    CVE-2017-3224 has been reserved for Quagga and     downstream implementations (SUSE, openSUSE, and Red Hat     packages).(CVE-2017-3224)

  - The bgp_dump_routes_func function in bgpd/bgp_dump.c in     Quagga does not perform size checks when dumping data,     which might allow remote attackers to cause a denial of     service (assertion failure and daemon crash) via a     large BGP packet.(CVE-2016-4049)

  - The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in     the VPNv4 NLRI parser in bgpd in Quagga before     1.0.20160309, when a certain VPNv4 configuration is     used, relies on a Labeled-VPN SAFI routes-data length     field during a data copy, which allows remote attackers     to execute arbitrary code or cause a denial of service     (stack-based buffer overflow) via a crafted     packet.(CVE-2016-2342)

  - The Quagga BGP daemon (bgpd) prior to version 1.2.3 can     overrun internal BGP code-to-string conversion tables     used for debug by 1 pointer value, based on     input.(CVE-2018-5380)

  - The Quagga BGP daemon (bgpd) prior to version 1.2.3 has     a bug in its parsing of 'Capabilities' in BGP OPEN     messages, in the bgp_packet.c:bgp_capability_msg_parse     function. The parser can enter an infinite loop on     invalid capabilities if a Multi-Protocol capability     does not have a recognized AFI/SAFI, causing a denial     of service.(CVE-2018-5381)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
199334	RHEL 5 : quagga (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/4/2024	critical
199343	RHEL 6 : quagga (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/4/2024	critical
195538	RHEL 7 : quagga (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
146136	EulerOS 2.0 SP5 : quagga (EulerOS-SA-2021-1227)	Nessus	Huawei Local Security Checks	2/4/2021	5/10/2022	high
195599	RHEL 5 : quagga (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
195543	RHEL 6 : quagga (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	5/31/2024	critical
199393	RHEL 7 : quagga (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	6/4/2024	critical
131900	EulerOS 2.0 SP2 : quagga (EulerOS-SA-2019-2408)	Nessus	Huawei Local Security Checks	12/10/2019	12/5/2022	critical
132192	EulerOS 2.0 SP3 : quagga (EulerOS-SA-2019-2657)	Nessus	Huawei Local Security Checks	12/18/2019	12/5/2022	critical

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