First published: Wed Jul 13 2016(Updated: )
Huawei HiSuite before 4.0.4.204_ove (Out of China) and before 4.0.4.301 (China) use a weak ACL (FILE_WRITE_DATA for BUILTIN\Users) for the HiSuite service directory, which allows local users to gain SYSTEM privileges via a Trojan horse (1) SspiCli.dll or (2) USERENV.dll file or possibly other unspecified DLL files.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Huawei Hisuite | <=4.0.3.301 |
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CVE-2016-5821 has a high severity rating due to the potential for local users to escalate privileges to SYSTEM.
To fix CVE-2016-5821, update Huawei HiSuite to version 4.0.4.204_ove or 4.0.4.301 or later.
Users of Huawei HiSuite versions prior to 4.0.4.204_ove and 4.0.4.301 are affected by CVE-2016-5821.
The impact of CVE-2016-5821 includes unauthorized local access to SYSTEM privileges, potentially allowing further exploitation.
CVE-2016-5821 can be exploited by local users using specific trojan files like SspiCli.dll or USERENV.dll.