[security-alerts] FW: [SA21963] SharpReader Feed Script Insertion Vulnerabilities

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

> 
> TITLE:
> SharpReader Feed Script Insertion Vulnerabilities
> 
> SECUNIA ADVISORY ID:
> SA21963
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/21963/
> 
> CRITICAL:
> Less critical
> 
> IMPACT:
> Cross Site Scripting
> 
> WHERE:
> From remote
> 
> SOFTWARE:
> SharpReader 0.x
> http://secunia.com/product/7931/
> 
> DESCRIPTION:
> SPI Dynamics has reported some vulnerabilities in SharpReader, which
> can be exploited by malicious people to conduct script insertion
> attacks.
> 
> The vulnerabilities are caused due to input validation errors in the
> processing of Atom and RSS feeds. This can be exploited to inject and
> execute arbitrary HTML and script code in context of the feed by
> tricking a user into adding a malicious feed and then viewing the
> content of it.
> 
> SOLUTION:
> Do not add feeds from untrusted sources.
> 
> PROVIDED AND/OR DISCOVERED BY:
> SPI Dynamics
> 
> ORIGINAL ADVISORY:
> SPI Dynamics:
> http://www.cgisecurity.com/papers/RSS-Security.ppt
>