Deserialization in Dolby Audio X2
CVE-2017-7293
The Dolby DAX2 and DAX3 API services are vulnerable to a privilege escalation vulnerability that allows a normal user to get arbitrary system privileges, because these services have .NET code for DCOM. This affects Dolby Audio X2 (DAX2) 1.0, 1.0.1, 1.1, 1.1.1, 1.2, 1.3, 1.3.1, 1.3.2, 1.4, 1.4.1, 1.4.2, 1.4.3, and 1.4.4 and Dolby Audio X3 (DAX3) 1.0 and 1.1. An example affected driver is Realtek Audio Driver 6.0.1.7898 on a Lenovo P50.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (85.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Dolby Audio X2 — versions 1.0, 1.0.1, 1.1
- Dolby Audio X3 — versions 1.0, 1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/41933/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- bugs.chromium.org/p/project-zero/issues/detail (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7293?
- CVE-2017-7293 is a high-severity vulnerability in Dolby Audio X2, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2017-04-26.
- How severe is CVE-2017-7293?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-7293 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.