CVE-2022-29804 Path traversal via Clean on Windows in path/filepath
Attackers can perform directory traversal on Windows via the Go path/filepath Clean function, potentially accessing or modifying unauthorized files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-29804?
CVE-2022-29804 is a high-severity path traversal vulnerability in Golang Go, published on 9 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect conversion of certain invalid paths to valid, absolute paths in Clean in path/filepath before Go 1.17.11 and Go 1.18.3 on Windows allows potential directory traversal attack.
Weakness: CWE-22
Which versions are affected by CVE-2022-29804?
2 open source packages ship an affected version, including golang and stdlib. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
golang Bitnami | All versions | 1.17.11, 1.18.3 |
stdlib Go | All versions | 1.17.11, 1.18.3 |
Products include Golang Go.
How do I fix CVE-2022-29804?
Upgrade golang to a fixed version for your release line: 1.17.11 or 1.18.3.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-29804 being exploited?
There is no known exploitation of CVE-2022-29804 in the wild and no public exploit code.
Other vulnerabilities in Golang Go
- CVE-2020-0601 Microsoft Windows CryptoAPI Spoofing
- CVE-2026-27143 Missing bound checks can lead to memory corruption in safe Go in cmd/compile
- CVE-2024-24790 Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip
- CVE-2023-39320 Arbitrary code execution via go.mod toolchain directive in cmd/go
- CVE-2023-24540 Improper handling of JavaScript whitespace in html/template
Sources
Also known as AZL-79118, AZL-98916, BIT-golang-2022-29804, GHSA-4r7w-gv7f-q74g, GO-2022-0533.