Path traversal in Huawei products - CVE-2019-5251

Vulnerability identifier: #VU23412

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-5251

CWE-ID: CWE-22

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local attacker can trick the victim to install, backup up and restore a malicious application and read arbitrary files on the system.

Huawei Honor V10
P30
Huawei Enjoy 7S
Huawei Mate 20
Huawei Honor 9 Lite
Huawei Honor 9i
Huawei M6
P30 Pro
Huawei Honor 20s

Install updates from vendor's website.

Huawei Honor V10 - update to 9.1.0.333
P30 - update to 9.1.0.226
Huawei Enjoy 7S - update to 9.1.0.226
Huawei Mate 20 - update to 9.1.0.139
Huawei Honor 9 Lite - addressed in versions 9.1.0.130, 9.1.0.143
Huawei Honor 9i - update to 9.1.0.120
Huawei M6 - update to 9.1.1.150
P30 Pro - update to 9.1.0.226
Huawei Honor 20s - update to 9.1.1.132

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-03-smartphone-en

• Path traversal in several Huawei Smartphones