CVE Reference: CVE-2010-3493

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Original Page at CVE MITRE:
CVE-2010-3493

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.

CVE Status:
Candidate

References:

UBUNTU
  http://www.ubuntu.com/usn/USN-1613-1
  http://www.ubuntu.com/usn/USN-1596-1
  http://www.ubuntu.com/usn/USN-1613-2

SUSE
  http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
  http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html

SAID
  Secunia Advisory: SA43068
  Secunia Advisory: SA50858
  Secunia Advisory: SA51024
  Secunia Advisory: SA51040

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

MLIST
  http://www.openwall.com/lists/oss-security/2010/09/24/3
  http://www.openwall.com/lists/oss-security/2010/09/22/3
  http://www.openwall.com/lists/oss-security/2010/09/11/2
  http://www.openwall.com/lists/oss-security/2010/09/09/6

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

MANDRIVA
  http://www.mandriva.com/security/advisories?name=MDVSA-2010:215
  http://www.mandriva.com/security/advisories?name=MDVSA-2010:216

CONFIRM
  http://svn.python.org/view/python/branches/py3k/Lib/smtpd.py?r1=84289&r2=84288&pathrev=84289
  http://svn.python.org/view?view=rev&revision=84289
  http://bugs.python.org/issue9129

BID
  44533


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