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Message-ID: <CAGSZ4d6cZjj+-xeADxW=VOrzvLFzCGm-ZdqFAhvR2+e-8QSSVg@mail.gmail.com>
Date: Wed, 4 Dec 2019 06:25:00 +0100
From: mibo <mibo@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2019-17554: Olingo: XML External Entity resolution attack
CVE-2019-17554: XML External Entity resolution attack
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected:
Olingo 4.0.0 to 4.6.0
The OData v2 versions of Olingo 2.x are not affected
Description:
The XML content type entity deserializer is not configured to deny the
resolution of external entities.
Request with content type "application/xml", which trigger the
deserialization of entities, can be used to trigger XXE attacks.
Mitigation:
4.x.x users should upgrade to 4.7.0
Credit:
This issue was discovered by Archibald Haddock of Compass Security Schweiz AG.
Links:
https://issues.apache.org/jira/browse/OLINGO-1409
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