|Number of vulnerabilities||1|
|Public exploit||This vulnerability is being exploited in the wild.|
heimdal (Alpine package)
Operating systems & Components / Operating system package or component
|Vendor||Alpine Linux Development Team|
This security bulletin contains one critical risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to buffer overflow in the encrypt_keyid() function of telnetd. A remote attacker can send a very large encryption key to telnetd daemon, trigger buffer overflow and execute arbitrary code with root privileges.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install update from vendor's website.Vulnerable software versions
heimdal (Alpine package): 1.3.3-r2Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?