CVE-2012-6700 Information

Description

The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory which allows remote DHCP servers to cause a denial of service via a crafted response.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.debian.org/security/2016/dsa-3534 http://www.openwall.com/lists/oss-security/2015/12/02/1 http://www.openwall.com/lists/oss-security/2015/12/03/1 https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226 https://launchpadlibrarian.net/228152582/dhcp.c.patch

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5