CVEvulnerability
CVE-2019-1749
7.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-03-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.4 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 6.1 MEDIUM — AV:A/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-20
Description
A vulnerability in the ingress traffic validation of Cisco IOS XE Software for Cisco Aggregation Services Router (ASR) 900 Route Switch Processor 3 (RSP3) could allow an unauthenticated, adjacent attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability exists because the software insufficiently validates ingress traffic on the ASIC used on the RSP3 platform. An attacker could exploit this vulnerability by sending a malformed OSPF version 2 (OSPFv2) message to an affected device. A successful exploit could allow the attacker to cause a reload of the iosd process, triggering a reload of the affected device and resulting in a DoS condition.
Affected configurations
• cisco ios xe 3.13.6as
• cisco ios xe 3.16.0as
• cisco ios xe 3.16.1as
• cisco ios xe 3.16.2as
• cisco ios xe 3.16.3as
• cisco ios xe 3.16.4bs
• cisco ios xe 3.16.4cs
• cisco ios xe 3.16.4ds
• cisco ios xe 3.16.4es
• cisco ios xe 3.16.4gs
• cisco ios xe 3.16.4s
• cisco ios xe 3.16.5as
• cisco ios xe 3.16.5s
• cisco ios xe 3.16.6bs
• cisco ios xe 3.16.6s
• cisco ios xe 3.16.7bs
• cisco ios xe 3.16.7s
• cisco ios xe 3.16.8s
• cisco ios xe 3.17.0s
• cisco ios xe 3.17.1s
• cisco ios xe 3.17.3s
• cisco ios xe 3.17.4s
• cisco ios xe 3.18.0s
• cisco ios xe 3.18.0sp
• cisco ios xe 3.18.1bsp
• cisco ios xe 3.18.1gsp
• cisco ios xe 3.18.1hsp
• cisco ios xe 3.18.1isp
• cisco ios xe 3.18.1s
• cisco ios xe 3.18.1sp
• cisco ios xe 3.18.2s
• cisco ios xe 3.18.2sp
• cisco ios xe 3.18.3s
• cisco ios xe 3.18.3sp
• cisco ios xe 3.18.4s
• cisco ios xe 3.18.4sp
• cisco ios xe 16.5.1
• cisco ios xe 16.5.2
• cisco ios xe 16.5.3
• cisco ios xe 16.6.1
• cisco ios xe 16.6.2
• cisco ios xe 16.6.3
• cisco ios xe 16.6.4
• cisco ios xe 16.7.1
• cisco ios xe 16.7.2
• cisco ios xe 16.8.1
• cisco ios xe 16.8.1b
• cisco ios xe 16.8.1c
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://www.securityfocus.com/bid/107615 Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-rsp3-ospf Patch, Vendor Advisory
- http://www.securityfocus.com/bid/107615 Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-rsp3-ospf Patch, Vendor Advisory