CVE-2022-28739
HIGH severity · CVSS 7.5 · Out-of-bounds read
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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/41Advisory
- http://seclists.org/fulldisclosure/2022/Oct/42
- https://hackerone.com/reports/1248108Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2022-28739Advisory