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TITLE:
feedparser Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA43730

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43730/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43730

RELEASE DATE:
2011-03-16

DISCUSS ADVISORY:
http://secunia.com/advisories/43730/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43730/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43730

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Some vulnerabilities have been reported in feedparser, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
conduct script insertion attacks.

1) An error when parsing certain HTML / DOCTYPE combinations can
raise an exception. This can be exploited to crash the parser via
specially crafted feeds.

2) Input passed via certain comments is not properly sanitised before
being used. This can be exploited to insert HTML and script code,
which will be executed in a user's browser session in context of an
affected site when the malicious data is being viewed.

3) Input passed via certain URI schemes is not properly sanitised
before being used. This can be exploited to insert HTML and script
code, which will be executed in a user's browser session in context
of an affected site when the malicious data is being viewed.

SOLUTION:
Update to version 5.0.1.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
1) barry.haddow 
2, 3) db.pub.mail

ORIGINAL ADVISORY:
1) http://code.google.com/p/feedparser/issues/detail?id=91
2) http://code.google.com/p/feedparser/issues/detail?id=254
3) http://code.google.com/p/feedparser/issues/detail?id=255

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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