Out-of-bounds Read in Google Android
CVE-2018-5821
In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in function wma_wow_wakeup_host_event(), wake_info->vdev_id is received from FW and is used directly as array index to access wma->interfaces whose max index should be (max_bssid-1). If wake_info->vdev_id is greater than or equal to max_bssid, an out-of-bounds read occurs.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (27.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Google Android
- Qualcomm, Inc. Android For Msm, Firefox Os Qrd — versions All Android releases from CAF using the Linux kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@qualcomm.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5821?
- CVE-2018-5821 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2018-04-03.
- How severe is CVE-2018-5821?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2018-5821 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.