Bug 1549361 (CVE-2018-0489)

Summary: CVE-2018-0489 openSAML: Mishandling of comments in SAML content can lead to bypass of signature verification
Product: [Other] Security Response Reporter: Sam Fowler <sfowler>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: bmaxwell, bruno, cdewolf, chazlett, csutherl, darran.lofthouse, dimitris, dosoudil, fgavrilo, guido.grazioli, jawilson, jondruse, jshepherd, lgao, myarboro, pgier, pjurak, ppalaga, psakar, pslavice, psotirop, rnetuka, rstancel, rsvoboda, security-response-team, twalsh, vtunka, yozone
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2019-06-08 03:41:25 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1550480    
Bug Blocks: 1549318    

Description Sam Fowler 2018-02-27 00:43:05 UTC 
openSAML does not properly verify comments in SAML content which can allow a remote attacker to modify SAML content without invalidating the cryptographic signature, leading to bypass of primary authentication.
Comment 1 Jason Shepherd 2018-03-01 09:38:05 UTC 
Created opensaml tracking bugs for this issue:

Affects: fedora-all [bug 1550480]
Comment 2 Jason Shepherd 2018-03-01 09:51:05 UTC 
The Upstream Advisory is here:
https://shibboleth.net/community/advisories/secadv_20180227.txt