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Apache Ranger 0.5.x / 0.6.x / 0.7.0 Policy Miss / Permission Check

Apache Ranger 0.5.x / 0.6.x / 0.7.0 Policy Miss / Permission Check
Posted Jun 8, 2017
Authored by Velmurugan Periasamy

Apache Ranger versions prior to 0.7.1 suffer from issues where policy evaluation ignores characters after the asterisk wildcard character and the Hive Authorizer fails to check for RWX permission when an external location is specified.

tags | advisory
advisories | CVE-2017-7676, CVE-2017-7677
SHA-256 | 6814bd6c1f907764b02dff3ce088b9bd5663fc3d7909eb7b4800f10d2cd5fd82

Apache Ranger 0.5.x / 0.6.x / 0.7.0 Policy Miss / Permission Check

Change Mirror Download
Hello:

Please find below details on CVEs fixed in Ranger 0.7.1 release. Release details can be found at https://cwiki.apache.org/confluence/display/RANGER/0.7.1+Release+-+Apache+Ranger

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
CVE-2017-7676: Apache Ranger policy evaluation ignores characters after a*a wildcard character
Severity: Critical
Vendor: The Apache Software Foundation
Versions Affected: 0.5.x/0.6.x/0.7.0 versions of Apache Ranger
Users affected: Environments that use Ranger policies with characters after a*a wildcard character a like my*test, test*.txt
Description: Policy resource matcher ignores characters after a*a wildcard character, which can result in unintended behavior.
Fix detail: Ranger policy resource matcher was updated to correctly handle wildcard matches.
Mitigation: Users should upgrade to 0.7.1 or later version of Apache Ranger with the fix.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
CVE-2017-7677: Apache Ranger Hive Authorizer should check for RWX permission when external location is specified
Severity: Critical
Vendor: The Apache Software Foundation
Versions Affected: 0.5.x/0.6.x/0.7.0 versions of Apache Ranger
Users affected: Environments that use external location for hive tables
Description: In environments that use external location for hive tables, Apache Ranger Hive Authorizer should check for RWX permission for the external location specified for create table.
Fix detail: Ranger Hive Authorizer was updated to correctly handle permission check with external location.
Mitigation: Users should upgrade to 0.7.1 or later version of Apache Ranger with the fix.
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Thank you,
Velmurugan Periasamy
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