Date: Fri, 23 Feb 2018 09:25:55 +0000 From: Mark Thomas <markt@...che.org> To: Doran Moppert <dmoppert@...hat.com>, oss-security@...ts.openwall.com Subject: Re: Fwd: [SECURITY] CVE-2018-1304 Security constraints mapped to context root are ignored On 23/02/18 04:29, Doran Moppert wrote: > On Feb 23 2018, Mark Thomas wrote: >> CVE-2018-1304 Security constraints mapped to context root are ignored >> >> Mitigation: >> Users of the affected versions should apply one of the following >> mitigations: >> - Review security constraints and confirm none use a URL patten of "" >> (the empty string) > > Will a URL pattern of "/" correctly protect the context root of > vulnerable versions? If so, this seems worth mentioning. The problem typically occurs with security annotations on servlets. In this case the security annotations pick up the mappings from the servlet they are annotating. If you changed the servlet mapping from "" to "/" that would almost certainly significantly change the behaviour of the web application since you are changing the mapping from "exact match to context root" to "default servlet". Mark
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