Vulnerability Details : CVE-2013-4136
ext/common/ServerInstanceDir.h in Phusion Passenger gem before 4.0.6 for Ruby allows local users to gain privileges or possibly change the ownership of arbitrary directories via a symlink attack on a directory with a predictable name in /tmp/.
Exploit prediction scoring system (EPSS) score for CVE-2013-4136
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-2013-4136
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST |
CWE ids for CVE-2013-4136
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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-2013-4136
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http://rhn.redhat.com/errata/RHSA-2013-1136.html
RHSA-2013:1136 - Security Advisory - Red Hat Customer PortalVendor Advisory
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http://www.openwall.com/lists/oss-security/2013/07/16/6
oss-security - Re: Re: Insecure temp files usage in phusion passenger (other than CVE-2013-2119)
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https://github.com/phusion/passenger/blob/release-4.0.6/NEWS
passenger/NEWS at release-4.0.6 · phusion/passenger · GitHub
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https://github.com/phusion/passenger/commit/5483b3292cc2af1c83033eaaadec20dba4dcfd9b
If the server instance directory already exists, it is now removed fi… · phusion/passenger@5483b32 · GitHub
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https://code.google.com/p/phusion-passenger/issues/detail?id=910
Google Code Archive - Long-term storage for Google Code Project Hosting.
Products affected by CVE-2013-4136
- cpe:2.3:a:phusion:passenger:*:*:*:*:*:*:*:*
- cpe:2.3:a:phusion:passenger:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:phusion:passenger:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:phusion:passenger:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:phusion:passenger:4.0.4:*:*:*:*:*:*:*