CVE-2022-32190 Failure to strip relative path components in net/url

What is CVE-2022-32190?

CVE-2022-32190 is a high-severity path traversal vulnerability in Golang Go, published on 13 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

JoinPath and URL.JoinPath do not remove ../ path elements appended to a relative path. For example, JoinPath("https://go.dev", "../go") returns the URL "https://go.dev/../go", despite the JoinPath documentation stating that ../ path elements are removed from the result.

Weakness: CWE-22

Which versions are affected by CVE-2022-32190?

2 open source packages ship an affected version, including golang and stdlib. It affects 1 product.

Products include Golang Go.

How do I fix CVE-2022-32190?

Upgrade golang to 1.19.1 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-32190 being exploited?

There is no known exploitation of CVE-2022-32190 in the wild and no public exploit code.

Other vulnerabilities in Golang Go

• CVE-2020-0601 Microsoft Windows CryptoAPI Spoofing Exploited High 8.1
• CVE-2026-27143 Missing bound checks can lead to memory corruption in safe Go in cmd/compile Critical 9.8
• CVE-2024-24790 Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip Critical 9.8
• CVE-2023-39320 Arbitrary code execution via go.mod toolchain directive in cmd/go Critical 9.8
• CVE-2023-24540 Improper handling of JavaScript whitespace in html/template Critical 9.8

All Golang Go vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-golang-2022-32190, DEBIAN-CVE-2022-32190, GHSA-q856-gh5w-3vwg, GO-2022-0988, RHBA-2023:0568.