CVE-2010-3493 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

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Base Score:  N/A
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References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.python.org/issue6706 Patch  Vendor Advisory 
http://bugs.python.org/issue9129 Patch  Vendor Advisory 
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289 Patch 
http://svn.python.org/view?view=rev&revision=84289
http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
http://www.mandriva.com/security/advisories?name=MDVSA-2010:216
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
http://www.securityfocus.com/bid/44533
http://www.ubuntu.com/usn/USN-1596-1
http://www.ubuntu.com/usn/USN-1613-1
http://www.ubuntu.com/usn/USN-1613-2
http://www.vupen.com/english/advisories/2011/0212
https://bugs.launchpad.net/zodb/+bug/135108
https://bugzilla.redhat.com/show_bug.cgi?id=632200
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12210

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-3493
NVD Published Date:
10/19/2010
NVD Last Modified:
10/25/2019
Source:
MITRE