CVE-2023-45312 MTProto proxy remote code execution vulnerability
A low-privileged remote attacker can bypass authentication in the default Erlang MTProto proxy installation to achieve remote command execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-45312?
CVE-2023-45312 is a high-severity authentication bypass vulnerability in n/a, published on 10 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In the mtproto_proxy (aka MTProto proxy) component through 0.7.2 for Erlang, a low-privileged remote attacker can access an improperly secured default installation without authenticating and achieve remote command execution ability.
Weakness: CWE-1188
Which versions are affected by CVE-2023-45312?
2 open source packages ship an affected version, including mtproto_proxy. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mtproto_proxy Hex | All versions to 0.7.2 | None |
mtproto_proxy Hex | All versions to 0.7.2 | None |
Products include Mtproto Mt Proto Proxy.
How do I fix CVE-2023-45312?
No fix has been published for CVE-2023-45312 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-45312 being exploited?
There is no known exploitation of CVE-2023-45312 in the wild and no public exploit code.
Sources
Also known as GHSA-738q-mc72-2q22.