Vulnerability Details : CVE-2021-3548
A flaw was found in dmg2img through 20170502. dmg2img did not validate the size of the read buffer during memcpy() inside the main() function. This possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.
Exploit prediction scoring system (EPSS) score for CVE-2021-3548
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 24 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-3548
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:P |
8.6
|
4.9
|
nvd@nist.gov |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
1.8
|
5.2
|
nvd@nist.gov |
CWE ids for CVE-2021-3548
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: secalert@redhat.com (Primary)
References for CVE-2021-3548
-
https://bugzilla.redhat.com/show_bug.cgi?id=1959585
1959585 – (CVE-2021-3548) CVE-2021-3548 dmg2img: OOB in dmg2img.c memcpy() causing undefined behaviorIssue Tracking;Third Party Advisory
Products affected by CVE-2021-3548
- cpe:2.3:a:dmg2img_project:dmg2img:*:*:*:*:*:*:*:*