CVE-2021-32614
Last modified
CVE-2021-32614 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A flaw was found in dmg2img through 20170502. fill_mishblk() does not check the length of the read buffer, and copy 0xCC bytes from it. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
Description
A flaw was found in dmg2img through 20170502. fill_mishblk() does not check the length of the read buffer, and copy 0xCC bytes from it. The length of the buffer is controlled by an attacker. By providing a length smaller than 0xCC, memcpy reaches out of the malloc'ed bound. 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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dmg2img Project | Dmg2img | <= 20170502 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1959911Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1959911Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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