CWE
79 20 362
Advisory Published

USN-1596-1: Python 2.6 vulnerabilities

First published: Thu Oct 04 2012(Updated: )

It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working directory could exploit this to execute arbitrary code. (CVE-2008-5983) It was discovered that the audioop module did not correctly perform input validation. If a user or automatated system were tricked into opening a crafted audio file, an attacker could cause a denial of service via application crash. (CVE-2010-1634, CVE-2010-2089) Giampaolo Rodola discovered several race conditions in the smtpd module. A remote attacker could exploit this to cause a denial of service via daemon outage. (CVE-2010-3493) It was discovered that the CGIHTTPServer module did not properly perform input validation on certain HTTP GET requests. A remote attacker could potentially obtain access to CGI script source files. (CVE-2011-1015) Niels Heinen discovered that the urllib and urllib2 modules would process Location headers that specify a redirection to file: URLs. A remote attacker could exploit this to obtain sensitive information or cause a denial of service. This issue only affected Ubuntu 11.04. (CVE-2011-1521) It was discovered that SimpleHTTPServer did not use a charset parameter in the Content-Type HTTP header. An attacker could potentially exploit this to conduct cross-site scripting (XSS) attacks against Internet Explorer 7 users. This issue only affected Ubuntu 11.04. (CVE-2011-4940) It was discovered that Python distutils contained a race condition when creating the ~/.pypirc file. A local attacker could exploit this to obtain sensitive information. (CVE-2011-4944) It was discovered that SimpleXMLRPCServer did not properly validate its input when handling HTTP POST requests. A remote attacker could exploit this to cause a denial of service via excessive CPU utilization. (CVE-2012-0845) It was discovered that Python was susceptible to hash algorithm attacks. An attacker could cause a denial of service under certian circumstances. This update adds the '-R' command line option and honors setting the PYTHONHASHSEED environment variable to 'random' to salt str and datetime objects with an unpredictable value. (CVE-2012-1150)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/python2.6-minimal<2.6.7-4ubuntu1.1
2.6.7-4ubuntu1.1
Ubuntu Ubuntu=11.10
All of
ubuntu/python2.6<2.6.7-4ubuntu1.1
2.6.7-4ubuntu1.1
Ubuntu Ubuntu=11.10
All of
ubuntu/python2.6-minimal<2.6.6-6ubuntu7.1
2.6.6-6ubuntu7.1
Ubuntu Ubuntu=11.04
All of
ubuntu/python2.6<2.6.6-6ubuntu7.1
2.6.6-6ubuntu7.1
Ubuntu Ubuntu=11.04
All of
ubuntu/python2.6-minimal<2.6.5-1ubuntu6.1
2.6.5-1ubuntu6.1
Ubuntu Ubuntu=10.04
All of
ubuntu/python2.6<2.6.5-1ubuntu6.1
2.6.5-1ubuntu6.1
Ubuntu Ubuntu=10.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this advisory?

    The vulnerability ID for this advisory is CVE-2008-5983.

  • How can a local attacker exploit this vulnerability?

    A local attacker with write access to the current working directory could exploit this vulnerability to execute arbitrary code.

  • What version of Python is affected by this vulnerability?

    Python 2.6 versions up to and exclusive of 2.6.7-4ubuntu1.1 are affected by this vulnerability.

  • Which Ubuntu versions are affected by this vulnerability?

    Ubuntu 11.10, 11.04, and 10.04 are affected by this vulnerability.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Ubuntu website at the following links: CVE-2008-5983, CVE-2010-1634, CVE-2010-2089.

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