CyberSecBulletin
CVE-2022-33268NVD status: Modified

Snapdragon Auto, Snapdragon Compute…: Out-of-bounds Read

CVE-2022-33268 is a high-severity out-of-bounds read vulnerability in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables from Qualcomm, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited from the same local network by an unauthenticated attacker, without any action from a user. Affected Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables versions: APQ8009; APQ8017; AR8031, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.48% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on qualcomm.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
QualcommSnapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon WearablesAPQ8009; APQ8017; AR8031; CSRA6620; CSRA6640; MDM9206; MDM9250; MDM9607; and 32 more rangesNot stated
QualcommApq8009 FirmwareNot specified in the recordNot stated
QualcommApq8017 FirmwareNot specified in the recordNot stated
QualcommAr8031 FirmwareNot specified in the recordNot stated
QualcommCsra6620 FirmwareNot specified in the recordNot stated
QualcommCsra6640 FirmwareNot specified in the recordNot stated
QualcommMdm9206 FirmwareNot specified in the recordNot stated
QualcommMdm9250 FirmwareNot specified in the recordNot stated
QualcommMdm9607 FirmwareNot specified in the recordNot stated
QualcommMdm9628 FirmwareNot specified in the recordNot stated
QualcommQca6174a FirmwareNot specified in the recordNot stated
QualcommQca6310 FirmwareNot specified in the recordNot stated
QualcommQca6320 FirmwareNot specified in the recordNot stated
QualcommQca6335 FirmwareNot specified in the recordNot stated
QualcommQca6390 FirmwareNot specified in the recordNot stated
QualcommQca6391 FirmwareNot specified in the recordNot stated
QualcommQca6426 FirmwareNot specified in the recordNot stated
QualcommQca6436 FirmwareNot specified in the recordNot stated
QualcommQca6564a FirmwareNot specified in the recordNot stated
QualcommQca6564au FirmwareNot specified in the recordNot stated
QualcommQca6574 FirmwareNot specified in the recordNot stated
QualcommQca6574a FirmwareNot specified in the recordNot stated
QualcommQca6574au FirmwareNot specified in the recordNot stated
QualcommQca6584au FirmwareNot specified in the recordNot stated
QualcommQca6595au FirmwareNot specified in the recordNot stated

Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
AdjacentThe attacker must be on the same local network segment.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.2HighCNA (qualcomm.com)
CVSS 3.18.1HighNVD

Official description

Information disclosure due to buffer over-read in Bluetooth HOST while pairing and connecting A2DP. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

How developers prevent this class of flaw

  • Use a language that provides appropriate memory abstractions.

More Out-of-bounds Read vulnerabilities (CWE-125)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

All Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables vulnerabilities

Recent Out-of-bounds Read vulnerabilities

Spotted an error? Tell us.