CVE-2010-3493

N/A Unknown
Published: October 19, 2010 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://bugs.python.org/issue6706
Source: cve@mitre.org
Patch Vendor Advisory
http://bugs.python.org/issue9129
Source: cve@mitre.org
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
Source: cve@mitre.org
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
Source: cve@mitre.org
http://secunia.com/advisories/43068
Source: cve@mitre.org
http://secunia.com/advisories/50858
Source: cve@mitre.org
http://secunia.com/advisories/51024
Source: cve@mitre.org
http://secunia.com/advisories/51040
Source: cve@mitre.org
http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289
Source: cve@mitre.org
Patch
http://svn.python.org/view?view=rev&revision=84289
Source: cve@mitre.org
http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
Source: cve@mitre.org
http://www.mandriva.com/security/advisories?name=MDVSA-2010:216
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2010/09/09/6
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2010/09/11/2
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2010/09/22/3
Source: cve@mitre.org
http://www.openwall.com/lists/oss-security/2010/09/24/3
Source: cve@mitre.org
http://www.securityfocus.com/bid/44533
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-1596-1
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-1613-1
Source: cve@mitre.org
http://www.ubuntu.com/usn/USN-1613-2
Source: cve@mitre.org
http://www.vupen.com/english/advisories/2011/0212
Source: cve@mitre.org
https://bugs.launchpad.net/zodb/+bug/135108
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=632200
Source: cve@mitre.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12210
Source: cve@mitre.org
http://bugs.python.org/issue6706
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://bugs.python.org/issue9129
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/43068
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/50858
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/51024
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/51040
Source: af854a3a-2127-422b-91ae-364da2661108
http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://svn.python.org/view?view=rev&revision=84289
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2010:216
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2010/09/09/6
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2010/09/11/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2010/09/22/3
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2010/09/24/3
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/44533
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1596-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1613-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1613-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2011/0212
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.launchpad.net/zodb/+bug/135108
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=632200
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12210
Source: af854a3a-2127-422b-91ae-364da2661108

48 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
2.8%
84th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

python

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