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ubuntuUbuntuUSN-1592-1
HistoryOct 02, 2012 - 12:00 a.m.

Python 2.7 vulnerabilities

2012-10-0200:00:00
ubuntu.com
74

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

8.8 High

AI Score

Confidence

High

0.16 Low

EPSS

Percentile

96.0%

Releases

  • Ubuntu 11.10
  • Ubuntu 11.04

Packages

  • python2.7 - An interactive high-level object-oriented language (version 2.7)

Details

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)

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

8.8 High

AI Score

Confidence

High

0.16 Low

EPSS

Percentile

96.0%