CVE-2010-3493

CVE Details

Release Date:

2010-10-19

Description

Multiple race conditions in smtpd.py in the smtpd module in Python 2.6, 2.7, 3.1, and 3.2 alpha allow 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, or the getpeername function having an ENOTCONN error, a related issue to CVE-2010-3492.

See more information about CVE-2010-3493 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	4.3	Base Metrics:	AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector:	Network	Attack Complexity:	Medium
Authentication:	None required	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (python)	ELSA-2011-0491	2011-05-05
Oracle Linux version 5 (python)	ELSA-2011-0492	2011-05-05
Oracle Linux version 6 (python)	ELSA-2011-0554	2011-05-28
Oracle Linux version 6 (python-docs)	ELSA-2011-0554	2011-05-28

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team