Sense of Security has discovered a vulnerability in Symfony, which can be exploited by malicious people to potentially disclose sensitive information.
The vulnerability is caused due to an error in the XmlEncoder component when processing certain XML data, which can be exploited to e.g. disclose local files by sending specially crafted XML data including external entity references.
The vulnerability is confirmed in version 2.0.10 and reported in versions 2.0.x prior to 2.0.11.
Solution: Update to version 2.0.11.
Provided and/or discovered by: Phil Taylor, Sense of Security
Original Advisory: SOS-12-002:
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Subject: Symfony XML Entity References Information Disclosure Vulnerability
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