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CVE-2024-42487

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Date: August 15, 2024

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In the 1.15 branch prior to 1.15.8 and the 1.16 branch prior to 1.16.1, Gateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched. This could result in unexpected behaviour with security This issue is fixed in Cilium v1.15.8 and v1.16.1. There is no workaround for this issue.

Language: Go

Severity Score

Severity Score

Weakness Type (CWE)

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

CWE-113

Interpretation Conflict

CWE-436

Top Fix

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Upgrade Version

Upgrade to version github.com/cilium/cilium-v1.15.8,v1.16.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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