CVE-2019-12999 Improper Access Control in Lightning Network Daemon
Attackers can trigger loss of funds in Lightning Network Daemon due to incorrect access control, requiring an upgrade to secure assets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-12999?
CVE-2019-12999 is a high-severity missing authorization vulnerability in n/a, published on 31 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Lightning Network Daemon (lnd) before 0.7 allows attackers to trigger loss of funds because of Incorrect Access Control.
Which versions are affected by CVE-2019-12999?
3 open source packages ship an affected version, including github.com/lightningnetwork/lnd. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/lightningnetwork/lnd Go | All versions | 0.7.1-beta |
github.com/lightningnetwork/lnd Go | All versions | 0.7.1-beta |
github.com/lightningnetwork/lnd Go | All versions | 0.7.1-beta |
Products include Lightning Network Daemon.
How do I fix CVE-2019-12999?
Upgrade github.com/lightningnetwork/lnd to 0.7.1-beta or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-12999 being exploited?
There is no known exploitation of CVE-2019-12999 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-78hj-86cr-6j2v, GO-2022-0807.