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CVE-2012-4435

Date: October 22, 2012

fwknop before 2.0.3 does not properly validate IP addresses, which allows remote authenticated users to cause a denial of service (server crash) via a long IP address.

Language: C

Severity Score

4.3

Related Resources (10)

Url: http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html

Url: https://security-tracker.debian.org/tracker/CVE-2012-4435

Url: http://www.openwall.com/lists/oss-security/2012/09/19/2

Url: http://www.openwall.com/lists/oss-security/2012/09/20/2

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/79568

Url: https://nvd.nist.gov/vuln/detail/CVE-2012-4435

Url: http://www.openwall.com/lists/oss-security/2012/09/20/4

Url: http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=f4c16bc47fc24a96b63105556b62d61c1ba7d799

Url: http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=263fa01f2af1d336961df320f1c7a9ea84ddac9a

Url: https://www.mend.io/vulnerability-database/CVE-2012-4435

Severity Score

4.3

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:	4.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	4.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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