CVE-2023-41338: GO-2023-2052 - IsFromLocal local address check can be circumvented in github.com/gofiber/fiber/v2

CVE-2023-41338 · Severity: low · CVSS 3.1 · Published 2023-09-12

IsFromLocal local address check can be circumvented in github.com/gofiber/fiber/v2

Technologies: github.com/gofiber/fiber (Go), github.com/gofiber/fiber/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2023-41338 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-41338 being exploited in the wild.
How severe is CVE-2023-41338?
Low severity, with a CVSS score of 3.1, published 12 September 2023.
Which products and versions are affected?
github.com/gofiber/fiber (Go) SEMVER:introduced=0,last_affected=1.14.6; github.com/gofiber/fiber/v2 (Go) SEMVER:introduced=0,fixed=2.49.2, SEMVER:introduced=0,fixed=2.49.2-0.20230906112033-b8c9ede6efa2.
Is there a fix for CVE-2023-41338?
Yes. github.com/gofiber/fiber/v2 (Go): upgrade to 2.49.2, 2.49.2-0.20230906112033-b8c9ede6efa2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-41338?
Check whether you run github.com/gofiber/fiber (Go) or github.com/gofiber/fiber/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/gofiber/fiber/v2 (Go): upgrade to 2.49.2, 2.49.2-0.20230906112033-b8c9ede6efa2 or later
    go get github.com/gofiber/fiber/v2@v2.49.2-0.20230906112033-b8c9ede6efa2

Affected products

  • github.com/gofiber/fiber (Go) SEMVER:introduced=0,last_affected=1.14.6
  • github.com/gofiber/fiber/v2 (Go) SEMVER:introduced=0,fixed=2.49.2, SEMVER:introduced=0,fixed=2.49.2-0.20230906112033-b8c9ede6efa2

Identifiers

  • CVE-2023-41338
  • GHSA-3q5p-3558-364f
  • GO-2023-2052

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.