CVE-2011-1521

CVE Details

Release Date:	2011-05-24
Impact:	Moderate	What is this?

Description

The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.

See more information about CVE-2011-1521 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.4
Vector String:	AV:N/AC:L/Au:N/C:P/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (python)	ELSA-2011-0491	2011-05-05
Oracle Linux version 5 (python)	ELSA-2011-0492	2011-05-05
Oracle Linux version 6 (python)	ELSA-2011-0554	2011-05-28
Oracle Linux version 6 (python-docs)	ELSA-2011-0554	2011-05-28