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Bug 1172133 - (CVE-2014-7809) CVE-2014-7809 struts2: predictable generation of form submission token
CVE-2014-7809 struts2: predictable generation of form submission token
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20141208,repor...
: Security
Depends On:
Blocks: 1172142
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Reported: 2014-12-09 08:08 EST by Martin Prpič
Modified: 2014-12-10 03:04 EST (History)
3 users (show)

See Also:
Fixed In Version: Struts 2.3.20
Doc Type: Bug Fix
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Last Closed: 2014-12-09 08:14:02 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Martin Prpič 2014-12-09 08:08:18 EST 
It was found that the Struts 2 Random Number Generator component generates predictable form submission tokens. A remote attacker able to acquire a victim's form submission token could predict the next value of this token and perform Cross-Site Request Forgery (CSRF) attacks against that victim.

This flaw is reported to affect Struts 2.0.0 through 2.3.16.3. It is corrected in Struts 2.3.20.

External References:

https://cwiki.apache.org/confluence/display/WW/S2-023
Comment 1 Martin Prpič 2014-12-09 08:14:02 EST 
Statement:

Not Vulnerable. This issue only affects struts 2; it does not affect the versions of struts as shipped with various Red Hat products.
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