CVE-2012-6137 Weak cryptography in n/a
Medium 4.3
Published
Updated
Check this codebase for CVE-2012-6137 and fix it if it is affected.
What it is: CVE-2012-6137 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 21 May 2013. 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-2012-6137 in the wild and no public exploit code.
Affected product: Redhat Enterprise 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-2012-6137/ (Markdown: https://insights.sbomify.com/CVE-2012-6137/index.md)
Man-in-the-middle attackers can intercept user credentials during migration due to missing X.509 certificate verification in the subscription-manager tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-6137?
CVE-2012-6137 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 21 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
rhn-migrate-classic-to-rhsm tool in Red Hat subscription-manager does not verify the Red Hat Network Classic server's X.509 certificate when migrating to a Certificate-based Red Hat Network, which allows remote man-in-the-middle attackers to obtain sensitive information such as user credentials.
Weakness: CWE-255
Which versions are affected by CVE-2012-6137?
It affects 9 products.
Linux distribution packages (25)
subscription-manager Red Hat:enterprise_linux:5::server | All versions | 0:1.0.24.1-1.el5_9 |
subscription-manager-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:1.0.24.1-1.el5_9 |
subscription-manager-firstboot Red Hat:enterprise_linux:5::server | All versions | 0:1.0.24.1-1.el5_9 |
subscription-manager-gui Red Hat:enterprise_linux:5::server | All versions | 0:1.0.24.1-1.el5_9 |
subscription-manager-migration Red Hat:enterprise_linux:5::server | All versions | 0:1.0.24.1-1.el5_9 |
subscription-manager Red Hat:enterprise_linux:6::client | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-firstboot Red Hat:enterprise_linux:6::client | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-gui Red Hat:enterprise_linux:6::client | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-migration Red Hat:enterprise_linux:6::client | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager Red Hat:enterprise_linux:6::computenode | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-firstboot Red Hat:enterprise_linux:6::computenode | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-gui Red Hat:enterprise_linux:6::computenode | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-migration Red Hat:enterprise_linux:6::computenode | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager Red Hat:enterprise_linux:6::server | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-firstboot Red Hat:enterprise_linux:6::server | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-gui Red Hat:enterprise_linux:6::server | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-migration Red Hat:enterprise_linux:6::server | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager Red Hat:enterprise_linux:6::workstation | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-firstboot Red Hat:enterprise_linux:6::workstation | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-gui Red Hat:enterprise_linux:6::workstation | All versions | 0:1.1.23.1-1.el6_4 |
subscription-manager-migration Red Hat:enterprise_linux:6::workstation | All versions | 0:1.1.23.1-1.el6_4 |
Products include Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Long Life, Redhat Enterprise Linux Server and 3 more.
How do I fix CVE-2012-6137?
Apply the vendor's patch.
Is CVE-2012-6137 being exploited?
There is no known exploitation of CVE-2012-6137 in the wild and no public exploit code.
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Sources
Also known as GHSA-qw78-gpjg-cm27, RHSA-2013:0788.