CVE-2010-3495

Advisory

Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 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 return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 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 return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3495
• http://www.openwall.com/lists/oss-security/2010/09/11/2
• http://secunia.com/advisories/41755
• http://pypi.python.org/pypi/ZODB3/3.10.0#id1
• http://www.openwall.com/lists/oss-security/2010/09/22/3
• http://www.openwall.com/lists/oss-security/2010/09/24/3
• http://bugs.python.org/issue6706
• http://www.openwall.com/lists/oss-security/2010/09/09/6
• https://bugs.launchpad.net/zodb/+bug/135108
• http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html