High severity · published Oct 10, 2023
CVE-2023-43896
A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate privileges or execute arbitrary code
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate privileges or execute arbitrary code.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
Reflect · Macrium
8.1.7544 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43896
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43896
knowledgebase.macrium.com
https://knowledgebase.macrium.com/display/KNOW80/CVE-2023-43896+Advisory
Exploit
https://northwave-cybersecurity.com/vulnerability-notice/macrium-reflect-driver-out-of-bounds-write
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Macrium Reflect includes an OpenSSL component that specifies an OPENSSLDIR variable as C:\openssl\