45906 : Microsoft ISA Server SOCKS4 Proxy Empty Packet Cross Session Destination IP Disclosure
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2007-09-20

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2007-4991" target="_blank">CVE</a>)</em> : The SOCKS4 Proxy in Microsoft Internet Security and Acceleration (ISA) Server 2004 SP1 and SP2 allows remote attackers to obtain potentially sensitive information (the destination IP address of another user's session) via an empty packet.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Private
OSVDB: Web Related

Solution

Upgrade to version 2004SE SP3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Security Tracker: 1018727
CVE ID: 2007-4991 (see also: NVD)
Bugtraq ID: 25753
ISS X-Force ID: 36715
Other Advisory URL: http://www.zerodayinitiative.com/advisories/ZDI-07-053.html

Credit

CIRT.DK - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2007-09-24 | Disagree?

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