CVE-2018-20253: check point software technologies ltd. winrar Out-of-bounds Write
Vulnerability summary
CVE-2018-20253 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in check point software technologies ltd. winrar. EPSS estimates a 4.19% chance of exploitation in the next 30 days, higher than 90.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 13-02-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.19%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
+0.14 pp
From 4.04% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (research.checkpoint.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Check point software technologies ltd.1 product
- winrarAll versions prior and including 5.60
Rarlab1 product
- winrar≤ 5.60
2 vendors · 2 products
References
2 links- research.checkpoint.com/extracting-code-execution-from-winrar/X Refsource MISCExploitThird Party Advisory