CVE-2012-4436

Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.

CVSS v2.0 4.4 MEDIUM

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/09/19/2
http://www.openwall.com/lists/oss-security/2012/09/20/4
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=a60f05ad44e824f6230b22f8976399340cb535dc	Exploit Patch

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cipherdyne:fwknop:2.0.1:::::::*
	cpe:2.3:a:cipherdyne:fwknop:2.0:::::::*
	cpe:2.3:a:cipherdyne:fwknop::::::::

Information

Published : 2012-10-22 16:55

Updated : 2012-11-07 21:00

NVD link : CVE-2012-4436

Mitre link : CVE-2012-4436

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

cipherdyne

fwknop

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