Vulnerability Monitor

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CVE-2012-6700

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.

Published

2016-04-11T15:59:02.220

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	7.0	Yes
Application	dhcpcd_project	dhcpcd	3.1.9	Yes
Application	dhcpcd_project	dhcpcd	3.2.0	Yes
Application	dhcpcd_project	dhcpcd	3.2.1	Yes
Application	dhcpcd_project	dhcpcd	3.2.2	Yes
Application	dhcpcd_project	dhcpcd	3.2.3	Yes

References

http://www.debian.org/security/2016/dsa-3534 ([email protected])
http://www.openwall.com/lists/oss-security/2015/12/02/1 ([email protected])
http://www.openwall.com/lists/oss-security/2015/12/03/1 ([email protected])
https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226 ([email protected])
https://launchpadlibrarian.net/228152582/dhcp.c.patch ([email protected])
http://www.debian.org/security/2016/dsa-3534 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/12/02/1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2015/12/03/1 (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226 (af854a3a-2127-422b-91ae-364da2661108)
https://launchpadlibrarian.net/228152582/dhcp.c.patch (af854a3a-2127-422b-91ae-364da2661108)