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
EPSS: 0.026 (84.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Dolby Dolby_audio_x2 — versions 1.0, 1.0.1, 1.1
- Dolby Dolby_audio_x3 — versions 1.0, 1.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, 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.