CVE-2003-0567 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco IOS devices by sending specific IPv4 packets that fill the interface input queue.
- 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-2003-0567?
CVE-2003-0567 is a high-severity denial of service vulnerability in Cisco Ios, published on 25 Jul 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.
Weakness: CWE-20
Which versions are affected by CVE-2003-0567?
It affects 3 products.
Products include Cisco Ios, Cisco Ons 15454 Optical Transport Platform, Cisco Optical Networking Systems Software.
How do I fix CVE-2003-0567?
No fix has been published for CVE-2003-0567 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-2003-0567 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0567 exists.
Public exploit code: 3 Exploit-DB entries.
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-c4c9-f467-hxxv.