CVE-2012-4435

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.

Published Bysecalert@redhat.com

Published DateOct 22, 2012, 23:55

Weakness Type (CWE):CWE-20

CVSS Metrics

Base Score

Vector String

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

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL

References

http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=263fa01f2af1d336961df320f1c7a9ea84ddac9a
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=f4c16bc47fc24a96b63105556b62d61c1ba7d799
http://www.openwall.com/lists/oss-security/2012/09/19/2
http://www.openwall.com/lists/oss-security/2012/09/20/2
http://www.openwall.com/lists/oss-security/2012/09/20/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/79568

Weakness Type (CWE):CWE-20

CVSS Metrics

Base Score

Vector String

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

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL