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INSERT ... ON CONFLICT DO UPDATE commands disclose table contents that the invoker lacks privilege to read. These exploits affect only tables where the attacker lacks full read access but has both INSERT and UPDATE privileges. Exploits bypass row level security policies and lack of SELECT privilege. Even then, not all columns are subject to disclosure. Vulnerable Versions: 9.5 - 10
Acknowledgments: Name: the PostgreSQL project Upstream: Dean Rasheed
Statement: This issue affects the versions of rh-postgresql95-postgresql, and rh-postgresql96-postgresql as shipped with Red Hat Software Collections 3. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
External References: https://www.postgresql.org/about/news/1801/
Upstream commit: https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=87b2ebd
This issue has been addressed in the following products: Red Hat Software Collections for Red Hat Enterprise Linux 6 Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS Via RHSA-2018:2511 https://access.redhat.com/errata/RHSA-2018:2511
This issue has been addressed in the following products: Red Hat Software Collections for Red Hat Enterprise Linux 6 Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7 Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS Via RHSA-2018:2566 https://access.redhat.com/errata/RHSA-2018:2566