Impact/Pulse/First: Exposure of Information Through Directory Listing
CVE-2022-50788 is a high-severity exposure of information through directory listing vulnerability in Impact/Pulse/First from Sound4, 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 Impact/Pulse/First versions: Version 2: 1.1/2.15. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.83% chance of exploitation within 30 days, higher than 58% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Impact/Pulse/First you run against the affected versions below, and install the vendor's latest release.
- 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 |
|---|---|---|---|
| SOUND4 | Impact/Pulse/First | Version 2: 1.1/2.15 | Not stated |
| SOUND4 | Impact/Pulse Eco | 1.16 | Not stated |
| SOUND4 | BigVoice4 | 1.2 | Not stated |
| SOUND4 | BigVoice2 | 1.30 | Not stated |
| SOUND4 | Stream | 1.1/2.4.29 | Not stated |
| Kantar Media | WM2 | 1.11 | Not stated |
| Sound4 | First Firmware | 2.15; 1.69 | Not stated |
| Sound4 | Impact Eco Firmware | 1.16 | Not stated |
| Sound4 | Pulse Eco Firmware | 1.16 | Not stated |
| Sound4 | Big Voice4 Firmware | 1.2 | Not stated |
| Sound4 | Big Voice2 Firmware | 1.30 | Not stated |
| Sound4 | Wm2 Firmware | 1.11 | Not stated |
| Sound4 | Impact Firmware | 2.15; 1.69 | Not stated |
| Sound4 | Pulse Firmware | 2.15; 1.69 | Not stated |
| Sound4 | Stream Extension | 2.4.29 | 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
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CNA (vulncheck.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.9 | Medium | CNA (vulncheck.com) |
| CVSS 3.1 | 7.5 | High | CNA (vulncheck.com) |
Official description
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive log files. Attackers can directly browse the /log directory to retrieve system and sensitive information without authentication.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Information Through Directory Listing
The product inappropriately exposes a directory listing with an index of all the resources located inside of the directory.
How developers prevent this class of flaw
- Recommendations include restricting access to important directories or files by adopting a need to know requirement for both the document and server root, and turning off features such as Automatic Directory Listings that could expose private files and provide information that could be utilized by an attacker when formulating or conducting an attack.
More Exposure of Information Through Directory Listing vulnerabilities (CWE-548)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- exchange.xforce.ibmcloud.com/vulnerabilities/247921Third Party Advisory
- vulncheck.com/advisories/sound-impactfirstpulseeco-x-information-disclosure-via-log-directoryThird Party Advisory
Technical write-ups (may include proof of concept)
- packetstormsecurity.com/files/170259/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- zeroscience.mk/en/vulnerabilities/ZSL-2022-5732.phpExploit, Third Party Advisory
Other references
- sound4.com/Product
Other vulnerabilities in Impact/Pulse/First
- 9.8 Critical severity
- 7.8 High severity
- 9.8 Critical severity
- 8.8 High severity
- 7.5 High severity
- 7.8 High severity
Recent Exposure of Information Through Directory Listing vulnerabilities
- 7.6 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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