Date: 05 April 2013
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AUSCERT Security Bulletin
ASB-2013.0050
A number of vulnerabilities have been identified in Sophos Web Appliance
5 April 2013
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AusCERT Security Bulletin Summary
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Product: Sophos Web Appliance
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2013-2643 CVE-2013-2642 CVE-2013-2641
Member content until: Sunday, May 5 2013
OVERVIEW
A number of vulnerabilities have been identified in Sophos Web
Appliance prior to version 3.7.8.2. [1]
IMPACT
The vendor has provided the following details regarding these
vulnerabilities:
CVE-2013-2641: "Unauthenticated users could download arbitrary files
from the Sophos Web Appliance with the rights of a privileged
operating system user. This user has access to clear text passwords
and valid PHP session IDs." [1]
CVE-2013-2642: "OS Command Injections were discovered that allow an
administrative user to execute commands as a privileged user. Under
certain preconditions unauthenticated users can do that as well."
[1]
CVE-2013-2643: "Reflected Cross Site Scripting vulnerabilities were
found. An attacker could have used these vulnerabilities to conduct
phishing attacks." [1]
MITIGATION
The vendor has stated that these vulnerabilities have been resolved
with the 3.7.8.2 release of the Sophos Web Appliance software. [1]
REFERENCES
[1] Vulnerabilities reported in Sophos Web Appliance
http://www.sophos.com/en-us/support/knowledgebase/118969.aspx
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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