68739 : Python smptd Module smtpd.py Race Condition TCP Connection Termination Multiple Error Remote DoS
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Timeline

Disclosure Date
2009-08-14

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2010-3493" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Remote / Network Access
Attack Type: Race Condition
Impact: Loss of Availability
Solution: Solution Unknown

Products

Unknown or Incomplete

References

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2010-10-20 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Comments

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