Vulnerability Details : CVE-2021-31844
A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.200 allows a local attacker to execute arbitrary code with elevated privileges through placing carefully constructed Ami Pro (.sam) files onto the local system and triggering a DLP Endpoint scan through accessing a file. This is caused by the destination buffer being of fixed size and incorrect checks being made on the source size.
Vulnerability category: OverflowExecute code
Products affected by CVE-2021-31844
- cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31844
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31844
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3
|
5.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
1.5
|
6.0
|
McAfee (DEFUNCT) | |
|
8.2
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
1.5
|
6.0
|
Trellix |
CWE ids for CVE-2021-31844
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- nvd@nist.gov (Primary)
- psirt@mcafee.com (Primary)
- trellixpsirt@trellix.com (Secondary)
References for CVE-2021-31844
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10368
Security Bulletin - Data Loss Prevention (DLP) Endpoint Windows and DLP Discover updates fix two vulnerabilities (CVE-2021-31844, CVE-2021-31845)Broken Link
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