CVE-2018-7907 in Agassi-L09
Summary
by MITRE
Some Huawei products Agassi-L09 AGS-L09C100B257CUSTC100D001, AGS-L09C170B253CUSTC170D001, AGS-L09C199B251CUSTC199D001, AGS-L09C229B003CUSTC229D001, Agassi-W09 AGS-W09C100B257CUSTC100D001, AGS-W09C128B252CUSTC128D001, AGS-W09C170B252CUSTC170D001, AGS-W09C229B251CUSTC229D001, AGS-W09C331B003CUSTC331D001, AGS-W09C794B001CUSTC794D001, Baggio2-U01A BG2-U01C100B160CUSTC100D001, BG2-U01C170B160CUSTC170D001, BG2-U01C199B162CUSTC199D001, BG2-U01C209B160CUSTC209D001, BG2-U01C333B160CUSTC333D001, Bond-AL00C Bond-AL00CC00B201, Bond-AL10B Bond-AL10BC00B201, Bond-TL10B Bond-TL10BC01B201, Bond-TL10C Bond-TL10CC01B131, Haydn-L1JB HDN-L1JC137B068, Kobe-L09A KOB-L09C100B252CUSTC100D001, KOB-L09C209B002CUSTC209D001, KOB-L09C362B001CUSTC362D001, Kobe-L09AHN KOB-L09C233B226, Kobe-W09C KOB-W09C128B251CUSTC128D001, LelandP-L22C 8.0.0.101(C675CUSTC675D2), LelandP-L22D 8.0.0.101(C675CUSTC675D2), Rhone-AL00 Rhone-AL00C00B186, Selina-L02 Selina-L02C432B153, Stanford-L09S Stanford-L09SC432B183, Toronto-AL00 Toronto-AL00C00B223, Toronto-AL00A Toronto-AL00AC00B223, Toronto-TL10 Toronto-TL10C01B223 have a sensitive information leak vulnerability. An attacker can trick a user to install a malicious application to exploit this vulnerability. Due to insufficient verification of the input, successful exploitation can cause sensitive information leak.
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Analysis
by VulDB Data Team • 05/19/2023
This vulnerability affects multiple Huawei mobile device models across various product lines including Agassi, Baggio2, Bond, Haydn, Kobe, LelandP, Rhone, Selina, Stanford, and Toronto series. The flaw represents a sensitive information leak vulnerability that stems from inadequate input validation mechanisms within the affected devices' operating systems. This weakness allows malicious applications to extract confidential data from the device through improper verification of user inputs, creating a significant security risk for end users.
The technical implementation of this vulnerability demonstrates poor security controls in the device's input processing subsystem, where the system fails to properly validate or sanitize data inputs before processing them. This type of vulnerability falls under the CWE-20 category of "Improper Input Validation" and aligns with ATT&CK technique T1059.001 for Command and Scripting Interpreter. The insufficient verification creates a pathway for attackers to exploit the device's security model by tricking users into installing malicious applications that can leverage this weakness to access sensitive information.
The operational impact of CVE-2018-7907 extends beyond simple data leakage, as it provides attackers with potential access to personal information, device identifiers, and possibly authentication credentials stored on the affected devices. This vulnerability can be exploited through social engineering tactics that convince users to install compromised applications, making it particularly dangerous in environments where users may not be security-aware. The attack vector typically involves malicious app installation followed by exploitation of the input validation weakness to extract sensitive data from the device's memory or storage systems.
Security mitigations for this vulnerability should focus on implementing robust input validation mechanisms across all device components that process user data. Device manufacturers should enforce strict verification protocols for all incoming data streams and implement proper sanitization techniques to prevent malicious inputs from causing information leaks. Users should be educated about the risks of installing untrusted applications and should regularly update their device firmware to address known vulnerabilities. Additionally, security researchers should monitor for similar patterns in other Huawei device models and ensure that proper access controls and data protection mechanisms are implemented throughout the device's security architecture to prevent unauthorized information disclosure.