CVE-2022-4639 sslh Packet Dumping probe.c hexdump format string
Remote attackers can exploit a format string vulnerability in sslh's packet dumping handler to potentially execute code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-4639?
CVE-2022-4639 is a medium-severity vulnerability in unspecified sslh, published on 21 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability, which was classified as critical, has been found in sslh. This issue affects the function hexdump of the file probe.c of the component Packet Dumping Handler. The manipulation of the argument msg_info leads to format string. The attack may be initiated remotely. The name of the patch is b19f8a6046b080e4c2e28354a58556bb26040c6f. It is recommended to apply a patch to fix this issue. The identifier VDB-216497 was assigned to this vulnerability.
Which versions are affected by CVE-2022-4639?
It affects 1 product.
Products include Sslh Project Sslh.
How do I fix CVE-2022-4639?
No fix has been published for CVE-2022-4639 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-4639 being exploited?
There is no known exploitation of CVE-2022-4639 in the wild and no public exploit code.
Sources
Also known as GHSA-f594-pvw5-8f79, UBUNTU-CVE-2022-4639.