Comment 10 for bug 1100282
Revision history for this message
| Thierry Carrez (ttx) wrote Re: DoS through XML entity expansion | #10 |
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0e1f616
(Get the code!)
I like it. here it goes:
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Title: Information leak and Denial of Service using XML entities
Reporter: Jonathan Murray (NCC Group)
Products: Keystone
Affects: All versions
Description:
Jonathan Murray from NCC Group reported a vulnerability in the parsing of XML requests in Keystone. By using entities in XML requests, an unauthenticated attacker may consume excessive resources on the Keystone API server, resulting in a denial of service and potentially a crash. Authenticated attackers may also leverage XML entities to read the content of a local file on the Keystone API server. This only affects servers with XML support enabled (with keystone.
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