PT-2023-24652 · Cloud Foundry · Cloud Foundry Routing

Published 2023-09-08 · Updated 2023-09-14 · CVE-2023-34041

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cloud Foundry Routing versions prior to 0.278.0

Description The issue allows an unauthenticated attacker to abuse HTTP Hop-by-Hop Headers, affecting the identification value recorded in logs. Specifically, headers like B3 or X-B3-SpanID can be exploited.

Recommendations For versions prior to 0.278.0, update to version 0.278.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of HTTP Hop-by-Hop Headers until a patch is applied. Avoid using headers like B3 or X-B3-SpanID in affected API endpoints until the issue is resolved.

Fix

Related Identifiers

CVE-2023-34041

Affected Products

Cloud Foundry Routing

References · 7

• https://osv.dev/vulnerability/CVE-2023-34041 · Vendor Advisory
• https://cloudfoundry.org/blog/abuse-of-http-hop-by-hop-headers-in-cloud-foundry-gorouter · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-34041 · Security Note
• https://t.me/cibsecurity/70140 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1700097399887151233 · Twitter Post
• https://t.me/cvenotify/57804 · Telegram Post
• https://twitter.com/CVEnew/status/1700050935874265156 · Twitter Post