CVE-2022-28739
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ruby | Not affected (3.1.4-r0) |
| Stream | ruby | Not affected (3.2.2-r0) |
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/41
- http://seclists.org/fulldisclosure/2022/Oct/42
- https://hackerone.com/reports/1248108
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2022-28739
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/
- https://support.apple.com/kb/HT213488
- https://support.apple.com/kb/HT213493
- https://support.apple.com/kb/HT213494
- https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/