Vulnerability Description
There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Ruby | < 2.6.10 |
| Debian | Debian Linux | 9.0 |
| Apple | Macos | >= 11.0, < 11.7.1 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/29
- http://seclists.org/fulldisclosure/2022/Oct/30
- http://seclists.org/fulldisclosure/2022/Oct/41Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/42
- https://hackerone.com/reports/1248108Permissions RequiredThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2022-28739Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
- https://support.apple.com/kb/HT213493Third Party Advisory
- https://support.apple.com/kb/HT213494Third Party Advisory
- https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cVendor Advisory
- http://seclists.org/fulldisclosure/2022/Oct/28
FAQ
What is CVE-2022-28739?
CVE-2022-28739 is a vulnerability with a CVSS score of 7.5 (HIGH). There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.
How severe is CVE-2022-28739?
CVE-2022-28739 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-28739?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Ruby, Debian Debian Linux, Apple Macos.