20577 : Asterisk vmail.cgi folder Variable Traversal Arbitrary .wav File Access
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	1042	over 7 years ago	about 5 years ago	0 times	90%

Timeline

Disclosure Date
2005-11-07

Time to Exploit
21 days

Description

Asterisk contains a flaw that allows an authenticated user to access other users' voice mail wav files. The issue is due to the vmail.cgi not properly sanitizing user input, specifically traversal style attacks (../../) supplied via the "folder" variable.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Public
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.2.0-rc2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Asterisk	Asterisk	1.0.9
		1.2.0-beta1
	Asterisk@Home	1.5
		2.0-beta4

References

Security Tracker: 1015164
Bugtraq ID: 15336
Secunia Advisory ID: 17459 19872
CVE ID: 2005-3559 (see also: NVD)
ISS X-Force ID: 23002
VUPEN Advisory: ADV-2005-2346
Mail List Post: http://seclists.org/lists/bugtraq/2005/Nov/0087.html
Other Advisory URL: http://www.assurance.com.au/advisories/200511-asterisk.txt
Vendor URL: http://www.asterisk.org/
Vendor Specific News/Changelog Entry: http://www.us.debian.org/security/2006/dsa-1048

Tools & Filters

	22590

Credit

Adam Pointon - adam.pointonassurance.com.au - Assurance.com.au

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2005-11-17 | Disagree?

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