// For flags

CVE-2022-28739

ruby: Buffer overrun in String-to-Float conversion

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una lectura excesiva del búfer en Ruby versiones anteriores a 2.6.10, 2.7.x versiones anteriores a 2.7.6, 3.x versiones anteriores a 3.0.4 y 3.1.x versiones anteriores a 3.1.2. Es producida en la conversión String-to-Float, incluyendo Kernel#Float y String#to_f

A buffer overrun vulnerability was found in Ruby. The issue occurs in a conversion algorithm from a String to a Float that causes process termination due to a segmentation fault, but under limited circumstances. This flaw may cause an illegal memory read.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-04-06 CVE Reserved
  • 2022-05-09 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-11-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ruby-lang
Search vendor "Ruby-lang"
Ruby
Search vendor "Ruby-lang" for product "Ruby"
< 2.6.10
Search vendor "Ruby-lang" for product "Ruby" and version " < 2.6.10"
-
Affected
Ruby-lang
Search vendor "Ruby-lang"
Ruby
Search vendor "Ruby-lang" for product "Ruby"
>= 2.7.0 < 2.7.6
Search vendor "Ruby-lang" for product "Ruby" and version " >= 2.7.0 < 2.7.6"
-
Affected
Ruby-lang
Search vendor "Ruby-lang"
Ruby
Search vendor "Ruby-lang" for product "Ruby"
>= 3.0.0 < 3.0.4
Search vendor "Ruby-lang" for product "Ruby" and version " >= 3.0.0 < 3.0.4"
-
Affected
Ruby-lang
Search vendor "Ruby-lang"
Ruby
Search vendor "Ruby-lang" for product "Ruby"
>= 3.1.0 < 3.1.2
Search vendor "Ruby-lang" for product "Ruby" and version " >= 3.1.0 < 3.1.2"
-
Affected
Debian
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Debian Linux
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9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Debian
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Debian Linux
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10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
>= 11.0 < 11.7.1
Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.7.1"
-
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
>= 12.0 < 12.6.1
Search vendor "Apple" for product "Macos" and version " >= 12.0 < 12.6.1"
-
Affected