Vulnerability identifier: #VU45155

Vulnerability risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2010-1674

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Quagga
Server applications / Other server solutions

Vendor: quagga.net

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Quagga: 0.95 - 0.99.16

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External links
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html
http://rhn.redhat.com/errata/RHSA-2012-1258.html
http://secunia.com/advisories/43499
http://secunia.com/advisories/43770
http://secunia.com/advisories/48106
http://security.gentoo.org/glsa/glsa-201202-02.xml
http://www.debian.org/security/2011/dsa-2197
http://www.mandriva.com/security/advisories?name=MDVSA-2011:058
http://www.osvdb.org/71259
http://www.quagga.net/news2.php?y=2011&m=3&d=21#id1300723200
http://www.securityfocus.com/bid/46942
http://www.vupen.com/english/advisories/2011/0711
http://bugzilla.redhat.com/show_bug.cgi?id=654603
http://exchange.xforce.ibmcloud.com/vulnerabilities/66211

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.