Pure-FTPd accept_client denial of service
| pure-ftpd-acceptclient-dos (16611) |  Medium Risk |
Description:
Pure-FTPd is vulnerable to a denial of service attack, caused by a vulnerability in the accept_client function. A remote attacker could establish multiple connections to cause the program to reach the maximum number of connections allowed, which would result in a denial of service for legitimate users.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of (1.0.19 or later), available from the Pure-FTPd FTP site. See References.
For Gentoo Linux:
Upgrade to the latest pure-ftpd package (1.0.18-r1 or later), as listed in Gentoo Security Advisory GLSA 200407-04 . See References.
References:
- Pure-FTPd FTP site: Pure-FTPd.
- BID-10664: PureFTPd Accept_Client Remote Denial of Service Vulnerability
- CVE-2004-0656: The accept_client function in PureFTPd 1.0.18 and earlier allows remote attackers to cause a denial of service by exceeding the maximum number of connections.
- GLSA-200407-04: Pure-FTPd: Potential DoS when maximum connections is reached
Platforms Affected:
- Gentoo Linux
- PureFTPd PureFTPd 0.96
- PureFTPd PureFTPd 1.0
- PureFTPd PureFTPd 1.0.1
- PureFTPd PureFTPd 1.0.11
- PureFTPd PureFTPd 1.0.12
- PureFTPd PureFTPd 1.0.13a
- PureFTPd PureFTPd 1.0.14
- PureFTPd PureFTPd 1.0.15
- PureFTPd PureFTPd 1.0.16
- PureFTPd PureFTPd 1.0.16a
- PureFTPd PureFTPd 1.0.16b
- PureFTPd PureFTPd 1.0.16c
- PureFTPd PureFTPd 1.0.17a
- PureFTPd PureFTPd 1.0.18
- PureFTPd PureFTPd 1.0.2
- PureFTPd PureFTPd 1.0.3
- PureFTPd PureFTPd 1.0.4
- PureFTPd PureFTPd 1.0.5
Reported:
Jul 04, 2004
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net