CVE-2010-3493

CVE Details

Release Date:	2010-10-19
Impact:	Low	What is this?

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

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

CVSS v2 metrics

Base Score:	4.3
Vector String:	AV:N/AC:M/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
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