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Date: Thu, 15 Feb 2018 22:25:18 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 4115-1] quagga security update

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4115-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 15, 2018                     https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : quagga
CVE ID         : CVE-2018-5378 CVE-2018-5379 CVE-2018-5380 CVE-2018-5381

Several vulnerabilities have been discovered in Quagga, a routing
daemon. The Common Vulnerabilities and Exposures project identifies the
following issues:

CVE-2018-5378

    It was discovered that the Quagga BGP daemon, bgpd, does not
    properly bounds check data sent with a NOTIFY to a peer, if an
    attribute length is invalid. A configured BGP peer can take
    advantage of this bug to read memory from the bgpd process or cause
    a denial of service (daemon crash).

    https://www.quagga.net/security/Quagga-2018-0543.txt

CVE-2018-5379

    It was discovered that the Quagga BGP daemon, bgpd, can double-free
    memory when processing certain forms of UPDATE message, containing
    cluster-list and/or unknown attributes, resulting in a denial of
    service (bgpd daemon crash).

    https://www.quagga.net/security/Quagga-2018-1114.txt

CVE-2018-5380

    It was discovered that the Quagga BGP daemon, bgpd, does not
    properly handle internal BGP code-to-string conversion tables.

    https://www.quagga.net/security/Quagga-2018-1550.txt

CVE-2018-5381

    It was discovered that the Quagga BGP daemon, bgpd, can enter an
    infinite loop if sent an invalid OPEN message by a configured peer.
    A configured peer can take advantage of this flaw to cause a denial
    of service (bgpd daemon not responding to any other events; BGP
    sessions will drop and not be reestablished; unresponsive CLI
    interface).

    https://www.quagga.net/security/Quagga-2018-1975.txt

For the oldstable distribution (jessie), these problems have been fixed
in version 0.99.23.1-1+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 1.1.1-3+deb9u2.

We recommend that you upgrade your quagga packages.

For the detailed security status of quagga please refer to its security
tracker page at: https://security-tracker.debian.org/tracker/quagga

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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