CVE-2017-7546 Auth bypass in postgresql
Critical 9.8
Published
Updated
Check this codebase for CVE-2017-7546 and fix it if it is affected.
What it is: CVE-2017-7546 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 16 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-7546 in the wild and no public exploit code.
Affected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2017-7546/ (Markdown: https://insights.sbomify.com/CVE-2017-7546/index.md)
Remote attackers can bypass authentication to access database accounts with empty passwords, requiring specific configuration settings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7546?
CVE-2017-7546 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 16 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2017-7546?
It affects 2 products.
Linux distribution packages (40)
postgresql Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-contrib Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-devel Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-docs Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-libs Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-plperl Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-plpython Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-pltcl Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-server Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql-test Red Hat:enterprise_linux:6::client | All versions | 0:8.4.20-8.el6_9 |
postgresql Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-contrib Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-devel Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-docs Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-libs Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-plperl Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-plpython Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-pltcl Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-server Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql-test Red Hat:enterprise_linux:6::computenode | All versions | 0:8.4.20-8.el6_9 |
postgresql Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-contrib Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-devel Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-docs Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-libs Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-plperl Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-plpython Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-pltcl Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-server Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql-test Red Hat:enterprise_linux:6::server | All versions | 0:8.4.20-8.el6_9 |
postgresql Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-contrib Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-devel Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-docs Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-libs Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
postgresql-plperl Red Hat:enterprise_linux:6::workstation | All versions | 0:8.4.20-8.el6_9 |
Products include Debian Debian Linux, Postgresql Postgresql.
How do I fix CVE-2017-7546?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-7546 being exploited?
There is no known exploitation of CVE-2017-7546 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2017-7546, CLEANSTART-2026-IH79519, GHSA-cj69-7h9j-r3j5, RHSA-2017:2860, UBUNTU-CVE-2017-7546.