National Cyber Awareness System

Vulnerability Summary for CVE-2010-3493

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: CONFIRM

Name: http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289

Type: Patch Information

Hyperlink:http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289

External Source: CONFIRM

Name: http://bugs.python.org/issue9129

Type: Advisory; Patch Information

Hyperlink:http://bugs.python.org/issue9129

External Source: MISC

Name: http://bugs.python.org/issue6706

Type: Advisory; Patch Information

Hyperlink:http://bugs.python.org/issue6706

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=632200

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=632200

External Source: MISC

Name: https://bugs.launchpad.net/zodb/+bug/135108

Hyperlink:https://bugs.launchpad.net/zodb/+bug/135108

External Source: VUPEN

Name: ADV-2011-0212

Hyperlink:http://www.vupen.com/english/advisories/2011/0212

External Source: UBUNTU

Name: USN-1613-2

Hyperlink:http://www.ubuntu.com/usn/USN-1613-2

External Source: UBUNTU

Name: USN-1613-1

Hyperlink:http://www.ubuntu.com/usn/USN-1613-1

External Source: UBUNTU

Name: USN-1596-1

Hyperlink:http://www.ubuntu.com/usn/USN-1596-1

External Source: BID

Name: 44533

Hyperlink:http://www.securityfocus.com/bid/44533

External Source: MLIST

Name: [oss-security] 20100924 Re: CVE Request -- Python -- accept() implementation in async core is broken => more subcases

Hyperlink:http://www.openwall.com/lists/oss-security/2010/09/24/3

External Source: MLIST

Name: [oss-security] 20100922 Re: CVE Request -- Python -- accept() implementation in async core is broken => more subcases

Hyperlink:http://www.openwall.com/lists/oss-security/2010/09/22/3

External Source: MLIST

Name: [oss-security] 20100910 Re: CVE Request -- Python -- accept() implementation in async core is broken => more subcases

Hyperlink:http://www.openwall.com/lists/oss-security/2010/09/11/2

External Source: MLIST

Name: [oss-security] 20100909 CVE Request -- Python -- accept() implementation in async core is broken => more subcases

Hyperlink:http://www.openwall.com/lists/oss-security/2010/09/09/6

External Source: MANDRIVA

Name: MDVSA-2010:216

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2010:216

External Source: MANDRIVA

Name: MDVSA-2010:215

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2010:215

External Source: CONFIRM

Name: http://svn.python.org/view?view=rev&revision=84289

Hyperlink:http://svn.python.org/view?view=rev&revision=84289

External Source: SECUNIA

Name: 51040

Hyperlink:http://secunia.com/advisories/51040

External Source: SECUNIA

Name: 51024

Hyperlink:http://secunia.com/advisories/51024

External Source: SECUNIA

Name: 50858

Hyperlink:http://secunia.com/advisories/50858

External Source: SECUNIA

Name: 43068

Hyperlink:http://secunia.com/advisories/43068

External Source: OVAL

Name: oval:org.mitre.oval:def:12210

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12210

External Source: SUSE

Name: SUSE-SR:2011:002

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html

External Source: SUSE

Name: SUSE-SR:2010:024

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html

References to Check Content

Identifier:oval:org.mitre.oval:def:12210

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12210