CyberSecBulletin
CVE-2022-25727NVD status: Modified

Snapdragon Consumer IOT, Snapdragon Industrial…: Improper Validation of Specified Quantity in Input

Published Updated By the CyberSecBulletin desk

CVE-2022-25727 is a critical-severity improper validation of specified quantity in input vulnerability in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music from Qualcomm, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music versions: AR8031; CSRA6620; CSRA6640, 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 0.5% chance of exploitation within 30 days, which is low compared with other CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music 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.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
QualcommSnapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & MusicAR8031; CSRA6620; CSRA6640; MDM8207; MDM9205; MDM9206; MDM9207; MDM9607; and 13 more rangesNot stated
QualcommAr8031 FirmwareNot specified in the recordNot stated
QualcommCsra6620 FirmwareNot specified in the recordNot stated
QualcommCsra6640 FirmwareNot specified in the recordNot stated
QualcommMdm8207 FirmwareNot specified in the recordNot stated
QualcommMdm9205 FirmwareNot specified in the recordNot stated
QualcommMdm9206 FirmwareNot specified in the recordNot stated
QualcommMdm9207 FirmwareNot specified in the recordNot stated
QualcommMdm9607 FirmwareNot specified in the recordNot stated
QualcommQca4004 FirmwareNot specified in the recordNot stated
QualcommQca4010 FirmwareNot specified in the recordNot stated
QualcommQca4020 FirmwareNot specified in the recordNot stated
QualcommQca4024 FirmwareNot specified in the recordNot stated
QualcommQcs405 FirmwareNot specified in the recordNot stated
QualcommWcd9306 FirmwareNot specified in the recordNot stated
QualcommWcd9330 FirmwareNot specified in the recordNot stated
QualcommWcd9335 FirmwareNot specified in the recordNot stated
QualcommWcn3980 FirmwareNot specified in the recordNot stated
QualcommWcn3998 FirmwareNot specified in the recordNot stated
QualcommWcn3999 FirmwareNot specified in the recordNot stated
QualcommWsa8810 FirmwareNot specified in the recordNot stated
QualcommWsa8815 FirmwareNot specified in the recordNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
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
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

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

Scoring systemScoreSeverityScored by
CVSS 3.19.8CriticalCNA (qualcomm.com)
CVSS 3.19.8CriticalNVD

Official description

Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music

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

The underlying weakness: Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

More Improper Validation of Specified Quantity in Input vulnerabilities (CWE-1284)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music

All Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music vulnerabilities

Recent Improper Validation of Specified Quantity in Input vulnerabilities

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