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Vulnerability CVE-2021-32614
Published: 2021-05-26 Modified: 2021-05-27
| 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. |
Type:
CWE-125 (Out-of-bounds Read)
CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
5.8/10 |
4.9/10 |
8.6/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
None |
Partial |
References: |
https://bugzilla.redhat.com/show_bug.cgi?id=1959911
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