Snapdragon Consumer IOT, Snapdragon Industrial…: Loop with Unreachable Exit Condition
CVE-2022-25742 is a high-severity loop with unreachable exit condition vulnerability in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music from Qualcomm, with a CVSS 3.1 base score of 7.5 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 0.45% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- 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.
- Read the advisory on qualcomm.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Qualcomm | Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music | AR8031; CSRA6620; CSRA6640; MDM8207; MDM9205; MDM9206; MDM9207; MDM9607; and 13 more ranges | Not stated |
| Qualcomm | Ar8031 Firmware | Not specified in the record | Not stated |
| Qualcomm | Csra6620 Firmware | Not specified in the record | Not stated |
| Qualcomm | Csra6640 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm8207 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9205 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9206 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9207 Firmware | Not specified in the record | Not stated |
| Qualcomm | Mdm9607 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca4004 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca4010 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca4020 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca4024 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qcs405 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcd9306 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcd9330 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcd9335 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcn3980 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcn3998 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wcn3999 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wsa8810 Firmware | Not specified in the record | Not stated |
| Qualcomm | Wsa8815 Firmware | Not specified in the record | Not 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
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.5 | High | CNA (qualcomm.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Denial of service in modem due to infinite loop while parsing IGMPv2 packet from server 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: Loop with Unreachable Exit Condition
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
More Loop with Unreachable Exit Condition vulnerabilities (CWE-835)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
- 9.8 Critical severity
Recent Loop with Unreachable Exit Condition vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
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