Vulnerability Details : CVE-2012-4436
Potential exploit
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.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2012-4436
- cpe:2.3:a:cipherdyne:fwknop:*:*:*:*:*:*:*:*
- cpe:2.3:a:cipherdyne:fwknop:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:cipherdyne:fwknop:2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-4436
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-4436
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST |
CWE ids for CVE-2012-4436
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-4436
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http://www.openwall.com/lists/oss-security/2012/09/20/4
oss-security - Re: CVE Request -- fwknop 2.0.3: Multiple security issues
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http://www.openwall.com/lists/oss-security/2012/09/19/2
oss-security - CVE Request -- fwknop 2.0.3: Multiple security issues
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http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html
Software Release - fwknop-2.0.3Vendor Advisory
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http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=a60f05ad44e824f6230b22f8976399340cb535dc
404 Not FoundExploit;Patch
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