CVE-2020-29652 golang.org/x/crypto/ssh NULL Pointer Dereference vulnerability
Remote attackers can cause a denial of service against SSH servers using the Go SSH library due to a nil pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-29652?
CVE-2020-29652 is a high-severity vulnerability in n/a, published on 17 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
Weakness: CWE-476
Which versions are affected by CVE-2020-29652?
3 open source packages ship an affected version, including golang.org/x/crypto. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
golang.org/x/crypto Go | All versions | 0.0.0-20201216223049-8b5274cf687f |
golang.org/x/crypto Go | All versions | 0.0.0-20201216223049-8b5274cf687f |
golang.org/x/crypto Go | All versions | 0.0.0-20201216223049-8b5274cf687f |
Linux distribution packages (1)
velero openSUSE:Tumbleweed | All versions | 1.7.1-1.1 |
Products include Golang Ssh.
How do I fix CVE-2020-29652?
Upgrade golang.org/x/crypto to 0.0.0-20201216223049-8b5274cf687f or later.
Is CVE-2020-29652 being exploited?
There is no known exploitation of CVE-2020-29652 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CLEANSTART-2026-RN21890, CLEANSTART-2026-VL48294, DEBIAN-CVE-2020-29652, GHSA-3vm4-22fp-5rfm, GO-2021-0227, UBUNTU-CVE-2020-29652 and 1 more.