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Ar8035 Firmware CVE-2023-33079

HIGH
Use of Out-of-range Pointer Offset (CWE-823)
2023-12-05 product-security@qualcomm.com
Buffer Overflow Memory Corruption Qualcomm Ar8035 Firmware Csra6620 Firmware Csra6640 Firmware Flight Rb5 5g Platform Firmware Qam8255p Firmware Qam8295p Firmware Qam8650p Firmware Qam8775p Firmware Qca6391 Firmware Qca6426 Firmware Qca6436 Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595 Firmware Qca6595au Firmware Qca6696 Firmware Qca6698aq Firmware Qca6797aq Firmware Qca8081 Firmware Qca8337 Firmware Qcc710 Firmware Qcm2290 Firmware Qcm4290 Firmware Qcm4325 Firmware Qcm5430 Firmware Qcm6490 Firmware Qcm8550 Firmware Qcn6224 Firmware Qcn6274 Firmware Qcn9011 Firmware Qcn9012 Firmware Qcs2290 Firmware Qcs410 Firmware Qcs4290 Firmware Qcs5430 Firmware Qcs610 Firmware Qcs6490 Firmware Qcs7230 Firmware Qcs8250 Firmware Qcs8550 Firmware Qfw7114 Firmware Qfw7124 Firmware Qrb5165m Firmware Qrb5165n Firmware Sa4150p Firmware Sa4155p Firmware Sa6145p Firmware Sa6150p Firmware Sa6155p Firmware Sa8145p Firmware Sa8150p Firmware Sa8155p Firmware Sa8195p Firmware Sa8255p Firmware Sa8295p Firmware Sa8770p Firmware Sa8775p Firmware Sa9000p Firmware Sd660 Firmware Sd865 5g Firmware Sd888 Firmware Sg4150p Firmware Sg8275p Firmware Sm4125 Firmware Sm7250p Firmware Sm7315 Firmware Sm7325p Firmware Sm8550p Firmware Snapdragon 662 Mobile Platform Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon Auto 5g Modem Rf Firmware Snapdragon Auto 5g Modem Rf Gen 2 Firmware Snapdragon X55 5g Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Snapdragon Xr2 5g Platform Firmware Sw5100 Firmware Sw5100p Firmware Sxr2130 Firmware Video Collaboration Vc1 Platform Firmware Video Collaboration Vc3 Platform Firmware Video Collaboration Vc5 Platform Firmware Wcd9326 Firmware Wcd9335 Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3615 Firmware Wcn3660b Firmware Wcn3680b Firmware Wcn3910 Firmware Wcn3950 Firmware Wcn3980 Firmware Wcn3988 Firmware Wcn3990 Firmware Wcn6740 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware Snapdragon 7C Gen 3 Compute Firmware Snapdragon Xr2 Gen 1 Platform Firmware Snapdragon W5 Gen 1 Wearable Platform Firmware Wcn6750 Firmware Qm215 Firmware Sm8250 Firmware Qca6390 Firmware Qrb5165 Firmware Sm6350 Firmware Sm7225 Firmware Sm8350 Firmware Wcn3991 Firmware Wcn3998 Firmware Sm7325 Firmware Sm6225 Firmware Sm6375 Firmware Sm4375 Firmware Wcn685X 1 Firmware Wcn785X 1 Firmware Wcn685X 5 Firmware Wcn785X 5 Firmware Sm4250 Aa Firmware Sm4350 Ac Firmware Sm6225 Ad Firmware Sm7250 Aa Firmware Sm7250 Ab Firmware Sm7250 Ac Firmware Sm7325 Ae Firmware Sm7325 Af Firmware Sm8250 Ab Firmware Sm8250 Ac Firmware Sm8350 Ac Firmware Sm7350 Ab Firmware Apq5053 Aa Firmware
7.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Use after free prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not 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).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

Memory corruption in Audio while running invalid audio recording from ADSP. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-823. Memory corruption in Audio while running invalid audio recording from ADSP. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Wcn3991 Firmware, Qualcomm Wcn3998 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/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
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Memory corruption in Audio while running invalid audio recording from ADSP.

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Data Quality
2 sources
Confidence: Low

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 0.2%
Patch available Yes
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

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

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Affected Products (CPE)NVD

cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:flight_rb5_5g_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
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