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CVE-2012-6700

Date: April 11, 2016

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.

Severity Score

7.5

Related Resources (8)

Url: https://launchpadlibrarian.net/228152582/dhcp.c.patch

Url: http://www.openwall.com/lists/oss-security/2015/12/03/1

Url: http://www.openwall.com/lists/oss-security/2015/12/02/1

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-6700

Url: https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226

Url: https://security-tracker.debian.org/tracker/CVE-2012-6700

Url: http://www.debian.org/security/2016/dsa-3534

Url: https://www.mend.io/vulnerability-database/CVE-2012-6700

Severity Score

7.5

Weakness Type (CWE)

Buffer Errors

CWE-119

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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