CVE-2018-10925

Impact:
Important
Public Date:
2018-08-09
CWE:
CWE-863
Bugzilla:
1612619: CVE-2018-10925 postgresql: Missing authorization and memory disclosure in INSERT ... ON CONFLICT DO UPDATE statements
It was discovered that PostgreSQL failed to properly check authorization on certain statements involved with "INSERT ... ON CONFLICT DO UPDATE". An attacker with "CREATE TABLE" privileges could exploit this to read arbitrary bytes server memory. If the attacker also had certain "INSERT" and limited "UPDATE" privileges to a particular table, they could exploit this to update other columns in the same table.

Find out more about CVE-2018-10925 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat Virtualization includes vulnerable versions of postgresql. However this flaw is not known to be exploitable under any supported configuration of Red Hat Virtualization. A future update may address this issue.

This issue affects the versions of the postsgresql package as shipped with Red Hat Satellite 5.8. However, this flaw is not known to be exploitable under any supported scenario in Satellite 5.8. A future update may address this issue.

CVSS v3 metrics

CVSS3 Base Score 7.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact Low
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-postgresql96-postgresql) RHSA-2018:2566 2018-08-27
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-postgresql95-postgresql) RHSA-2018:2511 2018-08-20
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-postgresql10-postgresql) RHSA-2018:2565 2018-08-27
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-postgresql96-postgresql) RHSA-2018:2566 2018-08-27
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-postgresql95-postgresql) RHSA-2018:2511 2018-08-20

Affected Packages State

Platform Package State
Red Hat Virtualization 4 rh-postgresql95-postgresql Affected
Red Hat Virtualization 4 postgresql Not affected
Red Hat Satellite 5 rh-postgresql95-postgresql Will not fix
Red Hat Mobile Application Platform On-Premise 4 millicore Not affected
Red Hat Enterprise Linux 7 postgresql Not affected
Red Hat Enterprise Linux 6 postgresql Not affected
Red Hat Enterprise Linux 5 postgresql84 Not affected
Red Hat Enterprise Linux 5 postgresql Not affected
Red Hat Ansible Tower 3 for RHEL 7 postgresql96 Affected

Acknowledgements

Red Hat would like to thank the PostgreSQL project for reporting this issue.

External References

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