CVE-2018-0470: cisco cisco ios xe software Resource Management Errors

Vulnerability summary

CVE-2018-0470 is a high (CVSS 8.6) Resource Management Errors vulnerability in cisco cisco ios xe software. EPSS estimates a 4.40% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities.

Timeline

1. 05-10-2018
   PublishedVulnerability first disclosed.
2. 26-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the web framework of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a buffer overflow condition on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the affected software improperly parsing malformed HTTP packets that are destined to a device. An attacker could exploit this vulnerability by sending a malformed HTTP packet to an affected device for processing. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected device, resulting in a DoS condition.

• CWE-399Resource Management ErrorsWeaknesses in this category are related to improper management of system resources.
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.