3proxy ftpprchild function denial of service
| 3proxy-ftpprchild-dos (37401) |  Low Risk |
Description:
3proxy is vulnerable to a denial of service, caused by an error in the FTP proxy module ftpprchild() function. By sending multiple OPEN commands, a remote attacker could cause the service to crash.
Platforms Affected:
- Gentoo, Linux
- Vladimir Dubrovin, 3proxy prior to 0.5.3j
Remedy:
Upgrade to the latest version of 3proxy (0.5.3j or later), available from the 3proxy Web site. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Denial of Service
References:
- 3proxy Web site, 3proxy at http://3proxy.ru.
- Full-Disclosure Mailing List, Tue Oct 23 2007 - 10:38:57 CDT, 3proxy double free vulnerability at http://archives.neohapsis.com/archives/fulldisclosure/2007-10/0710.html.
- BID-26180: 3proxy FTP Proxy Double Free Memory Corruption Vulnerability
- CVE-2007-5622: Double free vulnerability in the ftpprchild function in ftppr in 3proxy 0.5 through 0.5.3i allows remote attackers to cause a denial of service (daemon crash) via multiple OPEN commands to the FTP proxy.
- GLSA-200711-13: 3proxy: Denial of Service
- SA27353: 3proxy FTP Proxy Module "OPEN" Command Double-Free Vulnerability
Reported:
Oct 23, 2007
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