What is CVE-2018-5820?

CVE-2018-5820 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2018-04-03.

How severe is CVE-2018-5820?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2018-5820 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Google Android

CVE-2018-5820

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 the function wma_tbttoffset_update_event_handler(), a parameter received from firmware is used to allocate memory for a local buffer and is not properly validated. This can potentially result in an integer overflow subsequently leading to a heap overwrite.

Vulnerability class: Integer Overflow

EPSS: 0.004 (34.6th 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)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

product-security@qualcomm.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5820?: CVE-2018-5820 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.3/10. Published 2018-04-03.
How severe is CVE-2018-5820?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2018-5820 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.