CVE-2020-1799: huawei e6878-370_firmware Use After Free

Vulnerability summary

CVE-2020-1799 is a high (CVSS 7.5) Use After Free vulnerability in huawei e6878-370_firmware. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.2% of scored vulnerabilities.

Timeline

1. 21-05-2020
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

E6878-370 with versions of 10.0.3.1(H557SP27C233), 10.0.3.1(H563SP1C00), 10.0.3.1(H563SP1C233) has a use after free vulnerability. The software references memory after it has been freed in certain scenario, the attacker does a series of crafted operations through web portal, successful exploit could cause a use after free condition which may lead to malicious code execution.

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.