Integer overflow in Google Android

CVE-2018-5850

In the function csr_update_fils_params_rso(), insufficient validation on a key length can result in an integer underflow leading to a buffer overflow in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-5850: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-5850?
CVE-2018-5850 is a high-severity vulnerability in Google Android, classified under Integer Underflow. CVSS score: 7.8/10. Published 2018-06-06.
How severe is CVE-2018-5850?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-5850 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.