High severity · published May 9, 2022
CVE-2022-28739
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
7.5
CVSS
4.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.4% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
11.0 before 11.7.1; 12.0 before 12.6.1 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
RU
Ruby · Ruby-lang
before 2.6.10; 2.7.0 before 2.7.6; 3.0.0 before 3.0.4; 3.1.0 before 3.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-28739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-28739
seclists.org
http://seclists.org/fulldisclosure/2022/Oct/28
seclists.org
http://seclists.org/fulldisclosure/2022/Oct/29
seclists.org
http://seclists.org/fulldisclosure/2022/Oct/30
Mailing List
http://seclists.org/fulldisclosure/2022/Oct/41
seclists.org
http://seclists.org/fulldisclosure/2022/Oct/42
Permissions Required
https://hackerone.com/reports/1248108
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