Security Resilience

CVE-2023-21643

Memory Safety in Qualcomm Apq8064Au Firmware

Memory Safety
Published
08 August 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 9.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
EPSS Score 0.0024 14th percentile
Risk Priority 61 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-21643 is a critical-severity Untrusted Pointer Dereference (CWE-822) vulnerability in Qualcomm Apq8064Au Firmware. Its CVSS base score is 9.1 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked at the 14th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

Memory corruption due to untrusted pointer dereference in automotive during system call.

CWE(s)
CWE-822CWE-787

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001 Data Obfuscation Command And Control
Adversaries may obfuscate command and control traffic to make it more difficult to detect.
attack.mitre.org →
T1001.003 Protocol or Service Impersonation Command And Control
Adversaries may impersonate legitimate protocols or web service traffic to disguise command and control activity and thwart analysis efforts.
attack.mitre.org →
T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
attack.mitre.org →
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
attack.mitre.org →
T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
attack.mitre.org →
T1003.005 Cached Domain Credentials Credential Access
Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-21632Same product: Qualcomm Apq8064Au
CVE-2024-45581Same product: Qualcomm Qam8295P
CVE-2024-45555Same product: Qualcomm Msm8996Au
CVE-2024-53030Same product: Qualcomm Msm8996Au
CVE-2023-43518Same product: Qualcomm Qam8295P
CVE-2023-22384Same product: Qualcomm Qca6574Au
CVE-2024-33038Same vendor: Qualcomm
CVE-2024-45543Same product: Qualcomm Msm8996Au
CVE-2023-21654Same product: Qualcomm Apq8096Au
CVE-2024-23374Same product: Qualcomm Qca6574Au

Affected Assets

qualcomm
apq8064au firmware
all versions
qualcomm
apq8096au firmware
all versions
qualcomm
msm8996au firmware
all versions
qualcomm
qam8295p firmware
all versions
qualcomm
qca6564a firmware
all versions
qualcomm
qca6564au firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6574au firmware
all versions
qualcomm
qca6584au firmware
all versions
qualcomm
qca6595 firmware
all versions
+14 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

DE.CM-09 partial match
blocks

Runtime monitoring of software and data can detect adverse events resulting from exploitation of the weakness.

ID.RA-01 partial match
blocks

Vulnerability identification processes can discover instances of this weakness via code review or scanning.

PR.PS-02 partial match
blocks

Patching or replacing vulnerable software directly eliminates known instances of this coding weakness.

PR.PS-06 partial match
blocks

Secure SDLC practices directly prevent introduction of untrusted pointer handling during development.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.7.2 Physical entry partial match
removes

References