Out-of-bounds Read in Rarlab Winrar
CVE-2022-43650
This vulnerability allows remote attackers to disclose sensitive information on affected installations of RARLAB WinRAR 6.11.0.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ZIP files. Crafted data in a ZIP file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-19232.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.230 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.230 · newest: 0.230 · change: 0.000
Affected products
- Rarlab Winrar — versions 6.11.0.0, 6.11
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-092/ (VDB Entry, Third Party Advisory)
- www.win-rar.com/singlenewsview.html (Release Notes)
Frequently asked questions
- What is CVE-2022-43650?
- CVE-2022-43650 is a high-severity vulnerability in Rarlab Winrar, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-03-29.
- How severe is CVE-2022-43650?
- High severity. CVSS v3 base score is 7.1 out of 10.