Auth bypass in PostgreSQL
CVE-2017-7546
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.616 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.616 · newest: 0.616 · change: 0.000
Affected products
- PostgreSQL — versions 9.5.x before 9.5.8, 9.4.4, 9.3.4
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2017:2728 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2017/dsa-3936 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2678 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2860 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/100278 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3935 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1039142 (VDB Entry, Third Party Advisory, vdb-entry)
- www.postgresql.org/about/news/1772/ (Vendor Advisory)
- security.gentoo.org/glsa/201710-06 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2677 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-7546?
- CVE-2017-7546 is a critical-severity vulnerability in PostgreSQL, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-08-16.
- How severe is CVE-2017-7546?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-7546 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.