Buffer Over-Read Vulnerability in Ruby's String-to-Float Conversion
CVE-2022-28739

7.5HIGH

Key Information:

Vendor

Ruby-lang

Status
Ruby
Vendor
CVE Published:
9 May 2022

What is CVE-2022-28739?

A buffer over-read vulnerability exists in the Ruby programming language that affects various versions prior to specified releases. This vulnerability is triggered during the conversion of a string to a float, utilizing methods such as Kernel#Float and String#to_f. Exploitation may allow attackers to read beyond the allocated buffer, potentially leading to information disclosure or unclear side effects in application behavior. Developers are encouraged to upgrade to the appropriate versions to mitigate risks associated with this vulnerability.

References

https://hackerone.com/reports/1248108
https://security-tracker.debian.org/tracker/CVE-2022-28739
https://www.ruby-lang.org/en/news/2022/04/12/buffer-overr...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.