CVE-2010-3493
Python smtpd SMTP Denial of Service Vulnerability
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.
INFO
Published Date :
Oct. 19, 2010, 8 p.m.
Last Modified :
Nov. 21, 2024, 1:18 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2010-3493.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2010-3493 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2010-3493 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://bugs.python.org/issue6706 Added Reference http://bugs.python.org/issue9129 Added Reference http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html Added Reference http://secunia.com/advisories/43068 Added Reference http://secunia.com/advisories/50858 Added Reference http://secunia.com/advisories/51024 Added Reference http://secunia.com/advisories/51040 Added Reference http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289 Added Reference http://svn.python.org/view?view=rev&revision=84289 Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2010:215 Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2010:216 Added Reference http://www.openwall.com/lists/oss-security/2010/09/09/6 Added Reference http://www.openwall.com/lists/oss-security/2010/09/11/2 Added Reference http://www.openwall.com/lists/oss-security/2010/09/22/3 Added Reference http://www.openwall.com/lists/oss-security/2010/09/24/3 Added Reference http://www.securityfocus.com/bid/44533 Added Reference http://www.ubuntu.com/usn/USN-1596-1 Added Reference http://www.ubuntu.com/usn/USN-1613-1 Added Reference http://www.ubuntu.com/usn/USN-1613-2 Added Reference http://www.vupen.com/english/advisories/2011/0212 Added Reference https://bugs.launchpad.net/zodb/+bug/135108 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=632200 Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12210 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Oct. 25, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:python:python:2.7:*:*:*:*:*:*:* OR *cpe:2.3:a:python:python:2.7.0:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 25, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:python:python:2.6:*:*:*:*:*:*:* OR *cpe:2.3:a:python:python:2.6.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12210 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12210 [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 20, 2010
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2010-3493 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2010-3493
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.79 }} -1.75%
score
0.71641
percentile