pcAnywhere server can be abused to consume all available CPU resources
| pcanywhere-dos (2256) |  Medium Risk |
Description:
Symantec pcAnywhere is vulnerable to a denial of service attack. An attacker can direct a burst of traffic to the pcAnywhere server to cause the service to consume 100% of the CPU resources. The vulnerability permanently places a Windows NT computer in this state, but Windows 9x computers are only temporarily affected.
Platforms Affected:
- Symantec, pcAnywhere
Remedy:
Apply the AW32TCP.DLL patch, available from the Symantec FTP site. See References.
Consequences:
Denial of Service
References:
- NTBugTraq Mailing List, Fri, 28 May 1999 12:02:15 -0700, DoS against PC Anywhere at http://www.ntbugtraq.com/default.asp?pid=36&sid=1&A2=ind9905&L=NTBUGTRAQ&P=R4904&m=1737.
- Symantec FTP site, Symantec Patches FTP at ftp://ftp.symantec.com/public/english_us_canada/products/pcanywhere/pcanywhere32/ver8.0/updates.
- BID-288: PCAnywhere32 Denial of Service Vulnerability
- CVE-1999-1028: Symantec pcAnywhere 8.0 allows remote attackers to cause a denial of service (CPU utilization) via a large amount of data to port 5631.
Reported:
May 28, 1999
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