Out-of-bounds Read in Sonos One
CVE-2023-27353
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 msprox endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19846.
Vulnerability class: Buffer 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-23-448/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27353?
- CVE-2023-27353 is a medium-severity vulnerability in Sonos One, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2023-04-20.
- How severe is CVE-2023-27353?
- Medium severity. CVSS v3 base score is 6.5 out of 10.