CVE-2017-7546

Impact:
Moderate
Public Date:
2017-08-10
CWE:
CWE-287
Bugzilla:
1477184: CVE-2017-7546 postgresql: Empty password accepted in some authentication methods
It was found that authenticating to a PostgreSQL database account with an empty password was possible despite libpq's refusal to send an empty password. A remote attacker could potentially use this flaw to gain access to database accounts with empty passwords.

Find out more about CVE-2017-7546 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 5.6
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
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 Enterprise Linux 6 (postgresql) RHSA-2017:2860 2017-10-05
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-postgresql94-postgresql) RHSA-2017:2678 2017-09-12
Red Hat Enterprise Linux 7 (postgresql) RHSA-2017:2728 2017-09-14

Affected Packages State

Platform Package State
Red Hat Satellite 5 postgresql92-postgresql Affected
Red Hat Enterprise Linux 5 postgresql84 Will not fix
Red Hat Enterprise Linux 5 postgresql Will not fix

Acknowledgements

Red Hat would like to thank the PostgreSQL project for reporting this issue. Upstream acknowledges Ben de Graaff, Jelte Fennema, and Jeroen van der Ham as the original reporters.

External References

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