What is CVE-2021-31845?

CVE-2021-31845 is a high-severity vulnerability in Mcafee Data Loss Prevention Discover, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2021-09-17.

How severe is CVE-2021-31845?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Mcafee Data Loss Prevention Discover

CVE-2021-31845

A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Discover prior to 11.6.100 allows an attacker in the same network as the DLP Discover to execute arbitrary code through placing carefully constructed Ami Pro (.sam) files onto a machine and having DLP Discover scan it, leading to remote code execution with elevated privileges. This is caused by the destination buffer being of fixed size and incorrect checks being made on the source size.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Mcafee Data_loss_prevention_discover
Mcafee,llc Mcafee Data Loss Prevention (Dlp) Discover — versions unspecified

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

trellixpsirt@trellix.com (x_refsource_CONFIRM, Broken Link)

Frequently asked questions

What is CVE-2021-31845?: CVE-2021-31845 is a high-severity vulnerability in Mcafee Data Loss Prevention Discover, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2021-09-17.
How severe is CVE-2021-31845?: High severity. CVSS v3 base score is 8.4 out of 10.