Ruby up to 2.6.9/2.7.5/3.0.3/3.1.1 String-to-Float Conversion Kernel#Float/String#to_f buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Ruby up to 2.6.9/2.7.5/3.0.3/3.1.1 (Programming Language Software). Affected by this issue is the function Kernel#Float/String#to_f
of the component String-to-Float Conversion. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.
The weakness was presented 05/10/2022. The advisory is available at hackerone.com. This vulnerability is handled as CVE-2022-28739 since 04/06/2022. Technical details are known, but there is no available exploit.
Upgrading to version 2.6.10, 2.7.6, 3.0.4 or 3.1.2 eliminates this vulnerability.
Product
Type
Name
Version
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.6.9
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 3.0.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.1.0
- 3.1.1
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Ruby 2.6.10/2.7.6/3.0.4/3.1.2
Timeline
04/06/2022 🔍05/10/2022 🔍
05/10/2022 🔍
05/12/2022 🔍
Sources
Advisory: hackerone.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2022-28739 (🔍)
Entry
Created: 05/10/2022 07:28Updated: 05/12/2022 09:10
Changes: 05/10/2022 07:28 (41), 05/12/2022 09:10 (1)
Complete: 🔍
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