Input validation error in DHCP - CVE-2015-8605

Vulnerability identifier: #VU32355

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-8605

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.

DHCP
Amazon Linux AMI
Ubuntu
Slackware Linux
Fedora
dhcp (Alpine package)
isc-dhcp-server-ldap (Ubuntu package)
isc-dhcp-server (Ubuntu package)
isc-dhcp-relay (Ubuntu package)
isc-dhcp-client (Ubuntu package)
dhcp
Integrated Management Module II (IMM2)

Install update from vendor's website.

dhcp (Alpine package) - update to 4.3.3_p1-r0
isc-dhcp-server-ldap (Ubuntu package) - addressed in versions 4.1.ESV-R4-0ubuntu5.10, 4.2.4-7ubuntu12.4, 4.3.1-5ubuntu2.3, 4.3.1-5ubuntu3.1
isc-dhcp-server (Ubuntu package) - addressed in versions 4.1.ESV-R4-0ubuntu5.10, 4.2.4-7ubuntu12.4, 4.3.1-5ubuntu2.3, 4.3.1-5ubuntu3.1
isc-dhcp-relay (Ubuntu package) - addressed in versions 4.1.ESV-R4-0ubuntu5.10, 4.2.4-7ubuntu12.4, 4.3.1-5ubuntu2.3, 4.3.1-5ubuntu3.1
isc-dhcp-client (Ubuntu package) - addressed in versions 4.1.ESV-R4-0ubuntu5.10, 4.2.4-7ubuntu12.4, 4.3.1-5ubuntu2.3, 4.3.1-5ubuntu3.1
dhcp - addressed in versions 4.3.2-7.fc22, 4.3.3-8.P1.fc23
Integrated Management Module II (IMM2) - update to 1AOO76I-6.00

• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175594.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176031.html
• http://lists.opensuse.org/opensuse-updates/2016-02/msg00162.html
• http://lists.opensuse.org/opensuse-updates/2016-02/msg00168.html
• http://www.debian.org/security/2016/dsa-3442
• http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
• http://www.securityfocus.com/bid/80703
• http://www.securitytracker.com/id/1034657
• http://www.ubuntu.com/usn/USN-2868-1
• https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/
• https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/
• https://kb.isc.org/article/AA-01334

• Input validation error in ISC Dhcp
• Input validation error in dhcp (Alpine package)
• Amazon Linux AMI update for dhcp
• Slackware Linux update for dhcp
• Input validation error in IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter systems
• Fedora 22 update for dhcp
• Fedora 23 update for dhcp
• Ubuntu update for isc-dhcp