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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (41.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
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
- source.android.com/security/bulletin/2017-06-01 (Patch, Vendor Advisory)
- source.codeaurora.org/quic/la//kernel/msm-4.4/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.securitytracker.com/id/1038623 (VDB Entry, Third Party Advisory, vdb-entry)
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.