VulnerabilityModified
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.
HIGH 7.5EPSS 4.37%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 4.37% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- ruby-lang/ruby · debian/debian linux · apple/macos
- Source
- cve@mitre.org
References
- 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/41Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/42
- https://hackerone.com/reports/1248108Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2022-28739Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
- https://support.apple.com/kb/HT213493Third Party Advisory
- https://support.apple.com/kb/HT213494Third Party Advisory
- https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/Vendor Advisory
- 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/41Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/42
- https://hackerone.com/reports/1248108Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00000.html
- https://security-tracker.debian.org/tracker/CVE-2022-28739Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220624-0002/Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
- https://support.apple.com/kb/HT213493Third Party Advisory
- https://support.apple.com/kb/HT213494Third Party Advisory
- https://www.ruby-lang.org/en/news/2022/04/12/buffer-overrun-in-string-to-float-cve-2022-28739/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.