Integer overflow in Sonos One
CVE-2023-27354
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos One Speaker 70.3-35220. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the SMB directory query command. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow 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-19727.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Sonos One
- Sonos One Firmware — versions 70.3-35220
- Sonos One Speaker — versions 70.3-35220
- Sonos S1
- Sonos S2
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-446/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27354?
- CVE-2023-27354 is a medium-severity vulnerability in Sonos One, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2023-04-20.
- How severe is CVE-2023-27354?
- Medium severity. CVSS v3 base score is 6.5 out of 10.