CVE-2010-3494

Sažetak

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Reference

http://bugs.python.org/issue6706
http://code.google.com/p/pyftpdlib/issues/detail?id=104
http://code.google.com/p/pyftpdlib/issues/detail?id=105
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://code.google.com/p/pyftpdlib/source/detail?r=556
http://code.google.com/p/pyftpdlib/source/diff?spec=svn556&r=556&format=side&path=/trunk/pyftpdlib/ftpserver.py
http://www.openwall.com/lists/oss-security/2010/09/09/6
http://www.openwall.com/lists/oss-security/2010/09/11/2
http://www.openwall.com/lists/oss-security/2010/09/22/3
http://www.openwall.com/lists/oss-security/2010/09/24/3
https://bugs.launchpad.net/zodb/+bug/135108

CVSS

Base:	4.3
Impact:	2.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	PARTIAL

CVSS vektor

AV:N/AC:M/Au:N/C:N/I:N/A:P

Zadnje važnije ažuriranje

20-10-2010 - 04:00

Objavljeno

19-10-2010 - 20:00