CVE-2012-6639 Privilege escalation in cloud-init

What is CVE-2012-6639?

CVE-2012-6639 is a high-severity vulnerability in Debian Debian Linux, published on 25 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance data.

Weakness: CWE-269

Which versions are affected by CVE-2012-6639?

It affects 3 products.

Products include Canonical Cloud-Init, Debian Debian Linux, Suse Linux Enterprise Server.

How do I fix CVE-2012-6639?

Upgrade to a fixed version.

Is CVE-2012-6639 being exploited?

There is no known exploitation of CVE-2012-6639 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2024-6174 Hardcoded credentials in cloud-init High 8.8
• CVE-2024-11584 Privilege escalation in cloud-init Medium 5.9
• CVE-2023-1786 sensitive data exposure in cloud-init logs Medium 5.5
• CVE-2021-3429 sensitive data exposure in cloud-init logs Medium 5.5
• CVE-2022-2084 sensitive data exposure in cloud-init logs Medium 5.5

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2012-6639, GHSA-53qp-p4j3-jj3w.