CVE-2024-5256

Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability

Published Jun 6, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos Era 100 smart speakers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of SMB2 messages. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-22336.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-46494 Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos Era 100 smart speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SMB2 messages. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-22336.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:sonos:era_100:15.9:*:*:*:*:*:*:*
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00094}

epss

{'score': 0.00053}

Type Values Removed Values Added
Metrics epss

{'score': 0.00082}

epss

{'score': 0.00094}

Type Values Removed Values Added
First Time appeared Sonos
Sonos era 100
Sonos era 100 Firmware
CPEs cpe:2.3:h:sonos:era_100:*:*:*:*:*:*:*:*
cpe:2.3:o:sonos:era_100_firmware:15.9:*:*:*:*:*:*:*
Vendors & Products Sonos
Sonos era 100
Sonos era 100 Firmware
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Aug 1, 2024, 9:03 PM
Reserved
May 22, 2024, 11:10 PM
Status
Modified
Published
Jun 6, 2024, 6:15 PM
Modified
Jun 17, 2026, 8:15 AM