CVE-2019-1910
Description
A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an unauthenticated attacker who is in the same IS–IS area to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of crafted IS–IS link-state protocol data units (PDUs). An attacker could exploit this vulnerability by sending a crafted link-state PDU to an affected system to be processed. A successful exploit could allow the attacker to cause all routers within the IS–IS area to unexpectedly restart the IS–IS process, resulting in a DoS condition. This vulnerability affects Cisco devices if they are running a vulnerable release of Cisco IOS XR Software earlier than Release 6.6.3 and are configured with the ISIS routing protocol. Cisco has confirmed that this vulnerability affects both Cisco IOS XR 32-bit Software and Cisco IOS XR 64-bit Software.
Risk Information
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Carrier Routing System | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco ASR 9000 Series Aggregation Services Routers | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Network Convergence System 6000 Series Routers | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco IOS XRv 9000 Router | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Network Convergence System 5000 Series | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Network Convergence System 5500 Series | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Network Convergence System 1000 Series | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco Network Convergence System 500 Series Routers | NCM |
| Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability For Cisco 8000 Series Routers | NCM |
| Improper Input Validation Vulnerability (CVE-2019-1910) | 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 |
| PATCH-1705230 | Security Update for Cisco 8000 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