Description
Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| github.com/labstack/echo/v4 | github.com/labstack/echo/v4 | < 4.1.18-0.20201215153152-4422e3b66b9f | 4.1.18-0.20201215153152-4422e3b66b9f |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-labstack-echo | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-labstack-echo | No fix yet | — |
| Ubuntu 25.10 | golang-github-labstack-echo | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-labstack-echo | No fix yet | — |
| Ubuntu 22.04 LTS | golang-github-labstack-echo | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/labstack/echo/v4 | < 4.2.0 | 4.2.0 | GHSA-j453-hm5x-c46w |
| Go | github.com/labstack/echo/v4 | < 4.1.18-0.20201215153152-4422e3b66b9f | 4.1.18-0.20201215153152-4422e3b66b9f | GO-2021-0051 |