Out-of-bounds Read in Dmg2img Project
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.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (57.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
Affected products
- Dmg2img_project Dmg2img
- N/a Dmg2img — versions dmg2img through 20170502
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2021-3548?
- CVE-2021-3548 is a high-severity vulnerability in Dmg2img Project, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-05-26.
- How severe is CVE-2021-3548?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-3548 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.