Vulnerability identifier: #VU44066

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2322

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ConnMan
Universal components / Libraries / Libraries used by multiple products

Vendor: kernel.org

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Integer overflow in the dhcpv6_get_option function in gdhcp/client.c in ConnMan before 0.85 allows remote attackers to cause a denial of service (infinite loop and crash) via an invalid length value in a DHCP packet.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ConnMan: 0.1 - 0.83

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External links
http://git.kernel.org/?p=network/connman/connman.git;a=commitdiff;h=1d1a22fe586a455935483708fbe8eaeada79df7f
http://secunia.com/advisories/49033
http://secunia.com/advisories/49186
http://security.gentoo.org/glsa/glsa-201205-02.xml
http://www.openwall.com/lists/oss-security/2012/05/07/10
http://www.openwall.com/lists/oss-security/2012/05/07/2
http://www.openwall.com/lists/oss-security/2012/05/07/6
http://www.osvdb.org/81706
http://www.securityfocus.com/bid/53410
http://bugzilla.novell.com/show_bug.cgi?id=715172
http://exchange.xforce.ibmcloud.com/vulnerabilities/75420

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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.