Symantec pcAnywhere Denial of Service

SUMMARY

A buffer overflow has been resolved in Symantec pcAnywhere that could lead to a Denial of Service. The buffer overflow occurs prior to authentication and can lead to termination of the pcAnywhere component. pcAnywhere must be restarted to function as designed.

Risk Impact
Medium

Remote Access

|

Yes

—|—

Local Access

|

No

Authentication Required

|

No

Exploit publicly available

|

No

AFFECTED PRODUCTS

Product

|

Version

—|—

Symantec pcAnyware

|

11.0.1

11.5.1

Note: This vulnerability affects all 32-bit versions of pcAnywhere. Updates are available for supported versions only. Users of versions prior to 11.0.1, are encouraged to upgrade to a supported version.

ISSUES

The buffer overflow occurs prior to authentication and can lead to termination of the pcAnywhere component. pcAnywhere must be restarted to function as designed.

The Common Vulnerabilities and Exposures (CVE) initiative has assigned CVE-2005-3934 to this issue.

MITIGATION

Symantec Response
Patches for this issue can be downloaded from the following locations:

For consumer versions of Symantec pcAnywhere:
<http://www.symantec.com/techsupp/files/pca/index.html&gt;

For enterprise versions of Symantec pcAnywhere:
<http://www.symantec.com/techsupp/enterprise/products/spca/files.html&gt;

Select your supported version of Symantec pcAnywhere and follow the instructions to download the appropriate update.

Symantec is not aware of any active attempts against or customers impacted by this issue.

As a part of normal best practices, users should keep vendor-supplied patches for all application software and operating systems up-to-date. Symantec strongly recommends any affected customers update their product immediately to protect against these types of threats.

ACKNOWLEDGEMENTS

Symantec would like to thank Tal at See-Security technologies Ltd. for reporting this issue and for providing coordination while Symantec resolved it

REVISION

Revision History
1/17/06 - Added CVE ID