Vulnerability Details : CVE-2012-4676
The errorExitIfAttackViaString function in Tunnelblick 3.3beta20 and earlier allows local users to delete arbitrary files by constructing a (1) symlink or (2) hard link, a different vulnerability than CVE-2012-3485.
Exploit prediction scoring system (EPSS) score for CVE-2012-4676
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-4676
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
1.2
|
LOW | AV:L/AC:H/Au:N/C:N/I:P/A:N |
1.9
|
2.9
|
NIST |
CWE ids for CVE-2012-4676
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The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-4676
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http://www.openwall.com/lists/oss-security/2012/08/14/1
oss-security - Re: Tunnel Blick: Multiple Vulnerabilities to Local Root and DoS (OS X)
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http://archives.neohapsis.com/archives/fulldisclosure/2012-08/0122.html
Exploit
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http://code.google.com/p/tunnelblick/issues/detail?id=212
Google Code Archive - Long-term storage for Google Code Project Hosting.
Products affected by CVE-2012-4676
- cpe:2.3:a:google:tunnelblick:*:*:*:*:*:*:*:*