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Emily Al00A Firmware CVE-2019-5282

HIGH
Double Free (CWE-415)
2019-11-13 psirt@huawei.com
RCE Huawei Emily Al00A Firmware Emily L29C Firmware Hima L29C Firmware Emily Tl00B Firmware Emily L09C Firmware Hima L09Ca Firmware Hima L29Ca Firmware
7.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-415
ASVS 5.0
V15 - Secure Coding and Architecture Double free prevention
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

Bastet module of some Huawei smartphones with Versions earlier than Emily-AL00A 9.0.0.182(C00E82R1P21), Versions earlier than Emily-TL00B 9.0.0.182(C01E82R1P21), Versions earlier than Emily-L09C. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-415. Bastet module of some Huawei smartphones with Versions earlier than Emily-AL00A 9.0.0.182(C00E82R1P21), Versions earlier than Emily-TL00B 9.0.0.182(C01E82R1P21), Versions earlier than Emily-L09C 9.0.0.203(C432E7R1P11), Versions earlier than Emily-L29C 9.0.0.203(C432E7R1P11), Versions earlier than Emily-L29C 9.0.0.202(C185E2R1P12) have a double free vulnerability. An attacker tricks the user into installing a malicious application, which frees on the same memory address twice. Successful exploit could result in malicious code execution. Affected products include: Huawei Emily-Al00A Firmware, Huawei Emily-Tl00B Firmware, Huawei Emily-L09C Firmware, Huawei Emily-L29C Firmware, Huawei Hima-L09Ca Firmware.

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Bastet module of some Huawei smartphones with Versions earlier than Emily-AL00A 9.0.0.182(C00E82R1P21), Versions earlier than Emily-TL00B 9.0.0.182(C01E82R1P21), Versions earlier than Emily-L09C 9.0.0.203(C432E7R1P11), Versions earlier than Emily-L29C 9.0.0.203(C432E7R1P11), Versions earlier than Emily-L29C 9.0.0.202(C185E2R1P12) have a double free vulnerability. An attacker tricks the user into installing a malicious application, which frees on the same memory address twice. Successful exploit could result in malicious code execution.

Threat Intelligence Overview

EPSS Score
0.8%
Top 48% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:o:huawei:emily-al00a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-tl00b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-l09c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-l29c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-l29c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-l29c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:emily-l29c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:hima-l09ca_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:hima-l29ca_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:hima-l29c_firmware:*:*:*:*:*:*:*:*

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CVE-2018-7911 MEDIUM
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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(C0
CVE-2018-7947 LOW
3.9 Jul 31

Huawei mobile phones with versions earlier before Emily-AL00A 8.1.0.153(C00) have an authentication bypass vulnerability

Same weakness CWE-415 – Double Free

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CVE-2014-0502 HIGH POC
8.8
CVE-2018-0101 CRITICAL POC
10.0
CVE-2023-25136 MEDIUM POC
6.5
CVE-2026-33824 CRITICAL POC
9.8
CVE-2014-1767 HIGH POC
7.2
CVE-2016-5768 CRITICAL POC
9.8
CVE-2016-5772 CRITICAL POC
9.8
CVE-2016-3132 CRITICAL POC
9.8

Same technique RCE

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CVE-2021-44228 CRITICAL POC
10.0
CVE-2017-7269 CRITICAL POC
9.8
CVE-2022-47966 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2023-3519 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2016-4117 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8

References

Advisories & patches
ADVISORY http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190220-01-smartphone-en

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