77609 : Mozilla Multiple Product CSS Token Sequence Parsing Timing Attack Remote Information Disclosure
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Timeline

Disclosure Date
2010-03-31

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2010-5074" target="_blank">CVE</a>)</em> : The layout engine in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 executes different code for visited and unvisited links during the processing of Cascading Style Sheets (CSS) token sequences, which makes it easier for remote attackers to obtain sensitive information about visited web pages via a timing attack.

Classification

Location: Remote / Network Access, Context Dependent
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade Firefox to version 4.0 or higher, Thunderbird to 3.3 or higher and SeaMonkey to 2.1 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

OVAL ID: 14456
CVE ID: 2010-5074 (see also: NVD)
Secunia Advisory ID: 51766
Vendor Specific News/Changelog Entry: http://blog.mozilla.com/security/2010/03/31/plugging-the-css-history-leak/
http://www.gentoo.org/security/en/glsa/glsa-201301-01.xml

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2011-12-08 | Disagree?

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