CVE-2018-0241
Description
A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast packets to the affected device. An exploit could allow the attacker to cause a buffer leak on the affected device, eventually resulting in a DoS condition requiring manual intervention to recover. This vulnerability affects all Cisco IOS XR platforms running 6.3.1, 6.2.3, or earlier releases of Cisco IOS XR Software when at least one IPv4 helper address is configured on an interface of the device. Cisco Bug IDs: CSCvi35625.
Risk Information
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Carrier Routing System | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco ASR 9000 Series Aggregation Services Routers | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Network Convergence System 6000 Series Routers | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco IOS XRv 9000 Router | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Network Convergence System 5000 Series | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Network Convergence System 5500 Series | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Network Convergence System 1000 Series | NCM |
| Cisco IOS XR Software UDP Broadcast Forwarding Denial of Service Vulnerability For Cisco Network Convergence System 500 Series Routers | NCM |
| CVE-2018-0241 | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1705675 | Security Update for Cisco Carrier Routing System 5.3.1 |
| PATCH-1705564 | Security Update for Cisco ASR 9000 Series Aggregation Services Routers 5.3.0.1i.BASE |
| PATCH-1705630 | Security Update for Cisco Network Convergence System 6000 Series Routers 6.1.4 |
| PATCH-1705219 | Security Update for Cisco IOS XRv 9000 Router 7.1.2.1i.BASE |
| PATCH-1706021 | Security Update for Cisco Network Convergence System 5000 Series 6.2.1.21i.BASE |
| PATCH-1705220 | Security Update for Cisco Network Convergence System 5500 Series 7.1.2.1i.BASE |
| PATCH-1705124 | Security Update for Cisco Network Convergence System 1000 Series 7.2.1.9i.ROUT |
| PATCH-1705229 | Security Update for Cisco Network Convergence System 500 Series Routers 7.2.1.21i.BASE |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234