7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
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.
access.redhat.com/security/cve/CVE-2022-28739
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28739
github.com/ruby/ruby/commit/3fa771ddedac25560be57f4055f1767e6c810f58 (v3_0_4)
github.com/ruby/ruby/commit/69f9992ed41920389d4185141a14f02f89a4d306 (v2_6_10)
github.com/ruby/ruby/commit/8d142ecff9af7d60728b8cfa9138e8623985c428 (v3_1_2)
github.com/ruby/ruby/commit/c9c2245c0a25176072e02db9254f0e0c84c805cd (v2_7_6)
launchpad.net/bugs/cve/CVE-2022-28739
nvd.nist.gov/vuln/detail/CVE-2022-28739
security-tracker.debian.org/tracker/CVE-2022-28739
ubuntu.com/security/notices/USN-5462-1
ubuntu.com/security/notices/USN-5462-2
www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N