🛡️ CVE-2023-34036 — spring-hateoas

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-116 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Spring HATEOAS vulnerable to Improper Neutralization of HTTP Headers for Scripting Syntax

Reactive web applications that use Spring HATEOAS to produce hypermedia-based responses might be exposed to malicious forwarded headers if they are not behind a trusted proxy that ensures correctness of such headers, or if they don't have anything else in place to handle (and possibly discard) forwarded headers either in WebFlux or at the level of the underlying HTTP server.

For the application to be affected, it needs to satisfy the following requirements:

  • It needs to use the reactive web stack (Spring WebFlux) and Spring HATEOAS to create links in hypermedia-based responses.
  • The application infrastructure does not guard against clients submitting (X-)Forwarded… headers.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2023-34036 is classified as CWE-116: Improper Encoding or Escaping of Output. Output is emitted without encoding it for the context it lands in, so data is interpreted as markup or code.

Affected software

CVE-2023-34036 is recorded against 2 packages.

  • org.springframework.hateoas:spring-hateoas (from 2.1.0 up to 2.1.1)
  • spring-hateoas

Timeline and source

Published on 17 July 2023 and last revised on 16 February 2024. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Package)
spring.io (Web)

Details

Severity Medium
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE CWE-116
Public Exploit ✅ No
Source NVD
Published 2023-07-17
Updated 2026-08-12
Modified 2024-02-16
Fix URL N/A

Affected Packages

Software From version Fixed in
org.springframework.hateoas:spring-hateoas 2.1.0 2.1.1
spring-hateoas — —

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