CVE-2023-34041-Abuse of HTTP Hop-by-Hop Headers in Cloud Foundry Gorouter | Cloud Foundry

Severity

Medium

Vendor

Cloud Foundry

Description

Cloud foundry routing release versions prior to 0.278.0 are vulnerable to abuse of HTTP Hop-by-Hop Headers. An unauthenticated attacker can use this vulnerability for headers like B3 or X-B3-SpanID to affect the identification value recorded in the logs in foundations.

Affected Cloud Foundry Products and Versions

*Severity is medium unless otherwise noted.

• Routing
  • All versions prior to 0.278.0
• CF deployment
  • All versions prior to 32.4.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

• Routing

• * Upgrade all versions to 0.278.0 or greater
  

• CF Deployment

• * Upgrade all versions to 32.4.0 or greater
  

References

• https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:R/CR:X/IR:L/AR:X/MAV:N/MAC:L/MPR:N/MUI:N/MS:U/MC:X/MI:L/MA:N&version=3.1

History

07/09/2023: Initial vulnerability report published.