Vulnerability CVE-2010-2086
Published: 2010-05-27   Modified: 2012-02-13

Description:
Apache MyFaces 1.1.7 and 1.2.8, as used in IBM WebSphere Application Server and other applications, does not properly handle an unencrypted view state, which allows remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary Expression Language (EL) statements via vectors that involve modifying the serialized view object.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Multiplatform View State Tampering Vulnerabilities
David Byrne of T...
30.05.2010

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:H/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
4.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Apache -> Myfaces 

 References:
https://www.trustwave.com/spiderlabs/advisories/TWSL2010-001.txt
http://www.blackhat.com/presentations/bh-dc-10/Byrne_David/BlackHat-DC-2010-Byrne-SGUI-slides.pdf
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