CVE-2017-7548

Impact:
Moderate
Public Date:
2017-08-10
CWE:
CWE-862
Bugzilla:
1477187: CVE-2017-7548 postgresql: lo_put() function ignores ACLs
An authorization flaw was found in the way PostgreSQL handled large objects. A remote, authenticated attacker with no privileges on a large object could potentially use this flaw to overwrite the entire content of the object, thus resulting in denial of service.

Find out more about CVE-2017-7548 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 5.4
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-postgresql95-postgresql) RHSA-2017:2677 2017-09-12
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-postgresql94-postgresql) RHSA-2017:2678 2017-09-12
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-postgresql95-postgresql) RHSA-2017:2677 2017-09-12
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-postgresql94-postgresql) RHSA-2017:2678 2017-09-12

Affected Packages State

Platform Package State
Red Hat Satellite 5 postgresql92-postgresql 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

Acknowledgements

Red Hat would like to thank the PostgreSQL project for reporting this issue. Upstream acknowledges Chapman Flack as the original reporter.

External References

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