Buffer overflow in Google Android
CVE-2017-6421
In the touch controller function in all Qualcomm products with Android for MSM, Firefox OS for MSM, or QRD Android, a variable may be controlled by the user and can lead to a buffer overflow.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- Qualcomm, Inc. All Qualcomm Products — versions Android for MSM, Firefox OS for MSM, QRD Android
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@qualcomm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- product-security@qualcomm.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- product-security@qualcomm.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-6421?
- CVE-2017-6421 is a high-severity vulnerability in Google Android, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2017-08-16.
- How severe is CVE-2017-6421?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-6421 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.