CVE-2022-43758 Rancher: Command injection in Git package

What is CVE-2022-43758?

CVE-2022-43758 is a high-severity command injection vulnerability in SUSE Rancher, published on 7 Feb 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in SUSE Rancher allows code execution for user with the ability to add an untrusted Helm catalog or modifying the URL configuration used to download KDM (only admin users by default) This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.

Weakness: CWE-78

Which versions are affected by CVE-2022-43758?

6 open source packages ship an affected version, including github.com/rancher/rancher. It affects 1 product.

Products include Suse Rancher.

How do I fix CVE-2022-43758?

Upgrade github.com/rancher/rancher to a fixed version for your release line: 2.5.17, 2.6.10 or 2.7.1.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-43758 being exploited?

There is no known exploitation of CVE-2022-43758 in the wild and no public exploit code.

Other vulnerabilities in SUSE Rancher

• CVE-2023-22647 Rancher vulnerable to Privilege Escalation via manipulation of Secrets Critical 9.9
• CVE-2023-22651 Rancher Webhook is misconfigured during upgrade process Critical 9.9
• CVE-2022-43757 Rancher: Exposure of sensitive fields Critical 9.9
• CVE-2021-36782 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object Critical 9.9
• CVE-2021-36783 Rancher: Failure to properly sanitize credentials in cluster template answers Critical 9.9

Sources

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

Also known as GHSA-34p5-jp77-fcrc.