Buffer overflow in Check Point Software Technologies Ltd. Winrar
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. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Check Point Software Technologies Ltd. Winrar — versions All versions prior and including 5.60
- Rarlab Winrar
Weakness classification (CWE)
Public proof-of-concept exploits
References
- research.checkpoint.com/extracting-code-execution-from-winrar/ (Exploit, Third Party Advisory)
- www.win-rar.com/whatsnew.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-20253?
- CVE-2018-20253 is a high-severity vulnerability in Check Point Software Technologies Ltd. Winrar, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-02-13.
- How severe is CVE-2018-20253?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-20253 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.