CVE-2016-8276: huawei usg2100

Vulnerability summary

CVE-2016-8276 is a critical (CVSS 9.8) vulnerability in huawei usg2100. EPSS estimates a 5.61% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.

Timeline

1. 03-10-2016
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Buffer overflow in the Point-to-Point Protocol over Ethernet (PPPoE) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600, when CHAP authentication is configured on the server, allows remote attackers to cause a denial of service (server restart) or execute arbitrary code via crafted packets sent during authentication.

• 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.