CsmockApplication · Csutils

CVE-2024-2243

HIGH · 8.8 CVSS v3.1 Published 2024-04-10
Fix available
A fix is available. Upgrade to 3.5.3 or later.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability was found in csmock where a regular user of the OSH service (anyone with a valid Kerberos ticket) can use the vulnerability to disclose the confidential Snyk authentication token and to run arbitrary commands on OSH workers.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

In csmock, a regular user with a valid Kerberos ticket can exploit an authorization flaw to disclose the confidential Snyk authentication token and execute arbitrary commands on OSH worker systems. This indicates a privilege escalation or improper access control vulnerability where authenticated users can bypass intended restrictions on sensitive credential access and command execution.

MitigationImmediately rotate the exposed Snyk authentication token and apply any available patches or updates to csmock to fix the improper authorization logic. Review and restrict what authenticated Kerberos users can access within the OSH service.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
CsmockApplication
Affected:< 3.5.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed csmock version
    Run 'rpm -qa | grep csutils' or 'pip list | grep csutils' to find the csutils package version that includes csmock
    Affected if The installed version is lower than 3.5.3
  2. Check if Kerberos authentication is configured for OSH services
    Review /etc/csmock or /etc/osh related configuration files for Kerberos (krb5) settings, and check if the OSH service accepts Kerberos-authenticated connections
    Affected if Kerberos authentication is enabled and the OSH service is configured to accept Kerberos tickets from regular users
  3. Verify presence of Snyk token configuration
    Search for Snyk API token in environment variables (env | grep -i snyk), configuration files (/etc/csmock/*.conf, ~/.csmockrc), or in OSH worker configurations
    Affected if A Snyk authentication token is configured in the environment or in csmock configuration files accessible to authenticated users
  4. Check OSH worker service accessibility
    Determine if the OSH service (osh-worker) is running and reachable by authenticated users; inspect whether unauthenticated or low-privilege Kerberos users can submit requests to the OSH service
    Affected if OSH worker systems are accessible to authenticated Kerberos users without proper authorization controls

A user is affected if they have csmock version below 3.5.3 with Kerberos authentication enabled and a Snyk token configured in an accessible location, allowing other Kerberos-authenticated users to potentially retrieve the token or execute commands via the OSH service.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 3.5.3 or later
Fixed in 3.5.3
Interim mitigation

Immediately rotate the exposed Snyk authentication token and apply any available patches or updates to csmock to fix the improper authorization logic. Review and restrict what authenticated Kerberos users can access within the OSH service.

Recommended fix High confidence

csmock 3.5.3

  1. Upgrade csmock to version 3.5.3 or later to resolve the OS command injection vulnerability
  2. Verify the upgrade was successful by checking the installed csmock version using 'csmock --version' or equivalent

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Csmock Scoped from the published advisory
  • Consultation4.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,880
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,808.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-2243 in production — separate from our analysis above.

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What this is

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What belongs here
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