CVE-2010-3493

Published: 19 October 2010

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.

Priority

Negligible

Status

Package Release Status
python2.4
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.6-1)
Patches:
Vendor: https://rhn.redhat.com/errata/RHSA-2011-0492.html
python2.5
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.6-1)
Patches:
Vendor: https://rhn.redhat.com/errata/RHSA-2011-0492.html
python2.6
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.6-1)
Patches:
Vendor: https://rhn.redhat.com/errata/RHSA-2011-0554.html
Other: http://hg.python.org/cpython/rev/90bf2243552d/
python2.7
Launchpad, Ubuntu, Debian
Upstream
Released (2.7-1)
python3.1
Launchpad, Ubuntu, Debian
Upstream
Released (3.1.3-1)
Patches:
Upstream: http://hg.python.org/cpython/rev/90bf2243552d/
python3.2
Launchpad, Ubuntu, Debian
Upstream
Released (3.2)