CVE-2022-30630 Stack exhaustion in Glob on certain paths in io/fs
An attacker can cause a panic and denial of service in Go applications by providing a path with excessive separators to the io/fs Glob function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-30630?
CVE-2022-30630 is a high-severity denial of service 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
Uncontrolled recursion in Glob in io/fs before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via a path which contains a large number of path separators.
Weakness: CWE-674
Which versions are affected by CVE-2022-30630?
2 open source packages ship an affected version, including golang and stdlib. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
golang Bitnami | All versions | 1.17.12, 1.18.4 |
stdlib Go | All versions | 1.17.12, 1.18.4 |
Products include Golang Go.
How do I fix CVE-2022-30630?
Upgrade golang to a fixed version for your release line: 1.17.12 or 1.18.4.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-30630 being exploited?
There is no known exploitation of CVE-2022-30630 in the wild and no public exploit code.
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- 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-10533, BIT-golang-2022-30630, DEBIAN-CVE-2022-30630, GHSA-vjj7-39vr-35r3, GO-2022-0527, OESA-2022-1797 and 1 more.