CVE-1999-0063 Denial of service in n/a
Remote attackers can crash Cisco IOS devices by sending malicious UDP packets to the syslog port, causing a 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-1999-0063?
CVE-1999-0063 is a medium-severity denial of service vulnerability in Cisco Ios, published on 29 Sep 1999. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
Which versions are affected by CVE-1999-0063?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-1999-0063?
No fix has been published for CVE-1999-0063 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-1999-0063 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-0063 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-h9f6-v64j-cw96.