SARA / Free Tools / CVE / CVE-2023-21643

CVE-2023-21643 — Memory corruption due to untrusted pointer dereference in automotive during syst

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

CVSS

9.1 CRITICAL

EPSS

0.07% (top 79.50%)

CWE

CWE-822

Published

2023-08-08T09:14:52.787Z

Last modified

2024-08-02T09:44:01.901Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L

01What is this vulnerability?

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

Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon	APQ8064AU, APQ8096AU, MSM8996AU, QAM8295P, QCA6564A, QCA6564AU, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, SA6145P, SA6150P, SA6155, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SA8295P, SA8540P, SA9000P

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

www.qualcomm.com — https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin

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