Local memory disclosure via roaming-scan buffer over-read
Published Oct 3, 2023 · Updated Aug 2, 2024
Buffer over-read in Qualcomm Snapdragon WLAN HOST components allows local users to disclose memory while initiating a roaming scan. WLAN HOST reads beyond the bounds of a scan descriptor list while processing roaming-scan results, exposing adjacent memory. The low-privileged local-user gate limits reachability; successful exploitation discloses memory and degrades availability.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon WLAN HOST components allows local users to disclose memory while initiating a roaming scan. WLAN HOST reads beyond the bounds of a scan descriptor list while processing roaming-scan results, exposing adjacent memory. The low-privileged local-user gate limits reachability; successful exploitation discloses memory and degrades availability.
The record
- CVE
- CVE-2023-28571
- Published
- Oct 3, 2023
- Updated
- Aug 2, 2024
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-126
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 3, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=APQ8064AU
- Affected versionversion=CSRB31024
- Affected versionversion=FastConnect 6800
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=MDM9650
- Affected versionversion=MSM8996AU
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8295P
- Affected versionversion=QCA6175A
- Affected versionversion=QCA6310
- Affected versionversion=QCA6320
- Affected versionversion=QCA6391
- Affected versionversion=QCA6421
- Affected versionversion=QCA6426
- Affected versionversion=QCA6431
- Affected versionversion=QCA6436
- Affected versionversion=QCA6554A
- Affected versionversion=QCA6564A
- Affected versionversion=QCA6564AU
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6584AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6678AQ
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCC2073
- Affected versionversion=QCC2076
- Affected versionversion=QCN9074
- Affected versionversion=QCS410
- Affected versionversion=QCS610
- Affected versionversion=Qualcomm Video Collaboration VC1 Platform
- Affected versionversion=Qualcomm Video Collaboration VC3 Platform
- Affected versionversion=SA6145P
- Affected versionversion=SA6150P
- Affected versionversion=SA6155P
- Affected versionversion=SA8145P
- Affected versionversion=SA8150P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8295P
- Affected versionversion=SD835
- Affected versionversion=SD865 5G
- Affected versionversion=SM8550P
- Affected versionversion=Snapdragon 820 Automotive Platform
- Affected versionversion=Snapdragon 835 Mobile PC Platform
- Affected versionversion=Snapdragon 865 5G Mobile Platform
- Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
- Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
- Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
- Affected versionversion=Snapdragon Auto 4G Modem
- Affected versionversion=Snapdragon Auto 5G Modem-RF
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon X55 5G Modem-RF System
- Affected versionversion=Snapdragon XR2 5G Platform
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=SXR2130
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9390
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
- Affected versionversion=WSA8840
- Affected versionversion=WSA8845
- Affected versionversion=WSA8845H
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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