86822 : Metasploit pcap_log Plugin Temporary File Symlink Arbitrary File Overwrite
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	165	7 months ago	7 months ago	2 times	100%

Timeline

Disclosure Date
2012-07-16

Description

Metasploit contains a flaw that may allow a malicious local user to overwrite arbitrary files on the system. The issue is due to the program creating temporary files insecurely. It is possible for a local attacker to use a symlink attack against the plugins/pcap_log.rb file to cause the program to unexpectedly write to, or overwrite an attacker specified file.

Classification

Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified
OSVDB: Authentication Required, Security Software

Solution

Upgrade to version 4.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Rapid7

Metasploit

4.3

References

Exploit Database: 21927
Bugtraq ID: 54472
Other Advisory URL: http://0a29.blogspot.com/2012/07/0a29-12-2-metasploit-pcaplog-plugin.html
Vendor Specific News/Changelog Entry: https://community.rapid7.com/docs/DOC-1946
Vendor Specific Solution URL: https://github.com/rapid7/metasploit-framework/commit/428a98c1d1d5341d32ffe0ed380d06a327ed2740

Credit

0a29406d9794e4f9b30b3c5d6702c708

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

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