Quagga bgpd is affected by multiple vulnerabilities

Overview

The Quagga BGP daemon bgpd prior to version 1.2.3 may be vulnerable to multiple issues that may result in denial of service, information disclosure, or remote code execution.

Description

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - CVE-2018-5378 (Quagga-2018-0543)

The Quagga BGP daemon, bgpd, does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or it may crash.

CWE-415: Double Free - CVE-2018-5379 (Quagga-2018-1114)

The Quagga BGP daemon, bgpd, can double-free memory when processing certain forms of UPDATE message, containing cluster-list and/or unknown attributes.

CWE-125: Out-of-bounds Read - CVE-2018-5380 (Quagga-2018-1550)

The Quagga BGP daemon, bgpd, can overrun internal BGP code-to-string conversion tables used for debug by 1 pointer value, based on input.

CWE-228: Improper Handling of Syntactically Invalid Structure - CVE-2018-5381 (Quagga-2018-1975)

The Quagga BGP daemon, bgpd, had 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.

For more information, please see Quagga’s version 1.2.3 release announcement.

The CVSS score below is based on CVE-2018-5379.

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Impact

An unauthenticated, remote attacker may be able to use crafted input to result in a crash of bgpd or even allow a remote attacker to gain control of an affected bgpd process.

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Solution

Apply an update

Quagga has released bgpd version 1.2.3 to address these issues. Affected users should apply an update as soon as possible.

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Vendor Information

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Debian GNU/Linux Affected

Notified: February 06, 2018 Updated: February 15, 2018

Statement Date: February 15, 2018

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

• <https://www.debian.org/security/2018/dsa-4115&gt;

SUSE Linux Affected

Notified: February 06, 2018 Updated: February 19, 2018

Statement Date: February 16, 2018

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

• <http://lists.suse.com/pipermail/sle-security-updates/2018-February/003733.html&gt;
• <http://lists.suse.com/pipermail/sle-security-updates/2018-February/003734.html&gt;
• <http://lists.suse.com/pipermail/sle-security-updates/2018-February/003735.html&gt;

Ubuntu Affected

Notified: February 06, 2018 Updated: February 19, 2018

Statement Date: February 16, 2018

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Vendor References

• <https://usn.ubuntu.com/usn/usn-3573-1/&gt;

CoreOS Not Affected

Notified: February 06, 2018 Updated: February 07, 2018

Statement Date: February 07, 2018

Status

Not Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

ASP Linux Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Alpine Linux Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Arch Linux Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Arista Networks, Inc. Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

CentOS Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

ENEA Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Fedora Project Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Geexbox Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Gentoo Linux Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

HomeSeer Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Micro Focus Unknown

Notified: February 08, 2018 Updated: February 08, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

MontaVista Software, Inc. Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Novell, Inc. Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Openwall GNU/*/Linux Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Quagga Unknown

Notified: February 09, 2018 Updated: February 09, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Red Hat, Inc. Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Slackware Linux Inc. Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Tizen Unknown

Notified: February 15, 2018 Updated: February 15, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

Turbolinux Unknown

Notified: February 06, 2018 Updated: February 06, 2018

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor References

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CVSS Metrics

Group	Score	Vector
Base	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C
Temporal	7.3	E:POC/RL:OF/RC:C
Environmental	7.3	CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND

References

• <http://savannah.nongnu.org/forum/forum.php?forum_id=9095&gt;
• <http://cwe.mitre.org/data/definitions/119.html&gt;
• <http://cwe.mitre.org/data/definitions/125.html&gt;
• <http://cwe.mitre.org/data/definitions/228.html&gt;
• <http://cwe.mitre.org/data/definitions/415.html&gt;

Acknowledgements

The Quagga developers thank Alban Browaeys, Balaji Gurudoss, Borg, Scott Leggett and Debian QA Group, Eugene Bogomazov, Evgeny Uskov, Gerrie Roos, Mathieu Jadin, Pier Carlo Chiodi, and Rolf Eike Beer.

This document was written by Garret Wassermann.

Other Information

CVE IDs:	CVE-2018-5378, CVE-2018-5379, CVE-2018-5380, CVE-2018-5381
Date Public:	2018-02-15 Date First Published: