High severity · published Feb 13, 2019
CVE-2018-20253
In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats
7.8
CVSS
4.2%
EPSS
No
On KEV
Description
In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
WinRAR · Check Point Software Technologies Ltd.
All versions prior and including 5.60 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20253
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20253
Exploit
https://research.checkpoint.com/extracting-code-execution-from-winrar/
Release Notes
https://www.win-rar.com/whatsnew.html
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7.8
CVE-2018-20252
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5.5
CVE-2018-20251
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