CVE-2017-13649 Privilege escalation in n/a
Local attackers can escalate privileges or cause denial of service by modifying the PID file before a root script executes a kill command.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-13649?
CVE-2017-13649 is a medium-severity vulnerability in n/a, published on 23 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill `cat /pathname`" command. NOTE: the vendor indicates that there is no common or recommended scenario in which a root script would execute this kill command.
Weakness: CWE-665
Which versions are affected by CVE-2017-13649?
It affects 1 product.
Products include Unrealircd Unrealircd.
How do I fix CVE-2017-13649?
No fix has been published for CVE-2017-13649 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-13649 being exploited?
There is no known exploitation of CVE-2017-13649 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-p387-c589-x473.