Path traversal in Some Huawei Products



Published: 2021-07-02
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-22440
CWE ID CWE-22
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Huawei Mate 20
Client/Desktop applications / Multimedia software

Huawei Mate 20 Pro
Client/Desktop applications / Multimedia software

Hima-L29C
Hardware solutions / Firmware

Laya-AL00EP
Hardware solutions / Firmware

OxfordS-AN00A
Hardware solutions / Firmware

Huawei Tony-AL00B
Hardware solutions / Firmware

Vendor Huawei

Security Advisory

This security advisory describes one low risk vulnerability.

1) Path traversal

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22440

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. An attacker with physical access can connect to the smartphone through a USB cable and access a location that is outside of the restricted directory by a crafted filename

Mitigation

Install update from vendor's website.

Vulnerable software versions

Huawei Mate 20: 9.0.0.195(C01E195R2P1), 9.1.0.139(C00E133R3P1)

Huawei Mate 20 Pro: 9.0.0.187(C432E10R1P16), 9.0.0.188(C185E10R2P1), 9.0.0.245(C10E10R2P1), 9.0.0.266(C432E10R1P16), 9.0.0.267(C636E10R2P1), 9.0.0.268(C635E12R1P16), 9.0.0.278(C185E10R2P1)

Hima-L29C: 9.0.0.105(C10E9R1P16), 9.0.0.105(C185E9R1P16), 9.0.0.105(C636E9R1P16)

Laya-AL00EP: 9.1.0.139(C786E133R3P1)

OxfordS-AN00A: 10.1.0.223(C00E210R5P1)

Huawei Tony-AL00B: 9.1.0.257(C00E222R2P1)

CPE External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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