CVE-2018-7911 Security feature bypass in ALP-AL00B, ALP-AL00B-RSC, BLA-TL00B, Charlotte-AL00A, Emily-AL00A,
Attackers can bypass Factory Reset Protection on Huawei smartphones by exploiting the Gaode Map configuration flow to update the Google account.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-7911?
CVE-2018-7911 is a medium-severity vulnerability in Huawei Technologies Co., Ltd. ALP-AL00B, ALP-AL00B-RSC, BLA-TL00B, Charlotte-AL00A, Emily-AL00A,, published on 23 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Some Huawei smart phones ALP-AL00B 8.0.0.106(C00), 8.0.0.113(SP2C00), 8.0.0.113(SP3C00), 8.0.0.113(SP7C00), 8.0.0.118(C00), 8.0.0.120(SP2C00), 8.0.0.125(SP1C00), 8.0.0.125(SP3C00), 8.0.0.126(SP2C00), 8.0.0.126(SP5C00), 8.0.0.127(SP1C00), 8.0.0.128(SP2C00), ALP-AL00B-RSC 1.0.0.2, BLA-TL00B 8.0.0.113(SP7C01), 8.0.0.118(C01), 8.0.0.120(SP2C01), 8.0.0.125(SP1C01), 8.0.0.125(SP2C01), 8.0.0.125(SP3C01), 8.0.0.126(SP2C01), 8.0.0.126(SP5C01), 8.0.0.127(SP1C01), 8.0.0.128(SP2C01), 8.0.0.129(SP2C01), Charlotte-AL00A 8.1.0.105(SP7C00), 8.1.0.106(SP3C00), 8.1.0.107(SP5C00), 8.1.0.107(SP7C00), 8.1.0.108(SP3C00), 8.1.0.108(SP6C00), 8.1.0.109(SP2C00), Emily-AL00A 8.1.0.105(SP6C00), 8.1.0.106(SP2C00), 8.1.0.107(SP5C00), 8.1.0.107(SP7C00), 8.1.0.108(SP2C00), 8.1.0.108(SP6C00), 8.1.0.109(SP5C00) have a Factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the configuration flow by Gaode Map and can perform some operations to update the Google account. As a result, the FRP function is bypassed.
Which versions are affected by CVE-2018-7911?
It affects 5 products.
Products include Huawei Alp-Al00b-Rsc Firmware, Huawei Alp-Al00b Firmware, Huawei Bla-Tl00b Firmware, Huawei Charlotte-Al00a Firmware, Huawei Emily-Al00a Firmware.
How do I fix CVE-2018-7911?
No fix has been published for CVE-2018-7911 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-7911 being exploited?
There is no known exploitation of CVE-2018-7911 in the wild and no public exploit code.
Sources
Also known as GHSA-vf4f-ww7h-wr5w.