CVE-2018-18206 Denial of Service in Bytom
An attacker can cause a crash in the Bytom client by sending negative index values during peer discovery.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-18206?
CVE-2018-18206 is a high-severity vulnerability in n/a, published on 10 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the client in Bytom before 1.0.6, checkTopicRegister in p2p/discover/net.go does not prevent negative idx values, leading to a crash.
Weakness: CWE-190
Which versions are affected by CVE-2018-18206?
3 open source packages ship an affected version, including github.com/bytom/bytom. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/bytom/bytom Go | All versions | 1.0.4-0.20180831054840-1ac3c8ac4f2b |
github.com/bytom/bytom Go | All versions | 1.0.6 |
github.com/bytom/bytom Go | All versions | 1.0.6 |
Products include Bytom Bytom.
How do I fix CVE-2018-18206?
Upgrade github.com/bytom/bytom to a fixed version for your release line: 1.0.4-0.20180831054840-1ac3c8ac4f2b or 1.0.6.
Is CVE-2018-18206 being exploited?
There is no known exploitation of CVE-2018-18206 in the wild and no public exploit code.
Sources
Also known as GHSA-vc3x-gx6c-g99f, GO-2021-0079.