VulnerabilityModified
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.
HIGH 7.8EPSS 4.04%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 4.04% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- rarlab/winrar
- Source
- cve@checkpoint.com
References
- https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
- https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory
- https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
- https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.