CVE-2021-31616
CVSS V2 Medium 6.8
CVSS V3 High 8.8
Description
Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.1.0 allow a stack buffer overflow via crafted messages. The overflow in ethereum_extractThorchainSwapData() in ethereum.c can circumvent stack protections and lead to code execution. The vulnerable interface is reachable remotely over WebUSB.
Overview
- CVE ID
- CVE-2021-31616
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-06T13:15:12
- Last Modified Date
- 2022-05-03T16:04:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:shapeshift:keepkey_firmware:*:*:*:*:*:*:*:* | 1 | OR | 7.0.3 | 7.1.0 |
| cpe:2.3:h:shapeshift:keepkey:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836 | Patch Third Party Advisory |
| https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0 | Release Notes Third Party Advisory |
| https://blog.inhq.net/posts/keepkey-CVE-2021-31616/ | Exploit Patch Third Party Advisory |
| https://shapeshift.com/library/keepkey-important-update-issued-april-4-required | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-31616 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31616 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:44 | Added to TrackCVE | |||
| 2022-12-05 01:38:55 | 2021-05-06T13:15Z | 2021-05-06T13:15:12 | CVE Published Date | updated |
| 2022-12-05 01:38:55 | 2022-05-03T16:04:40 | CVE Modified Date | updated | |
| 2022-12-05 01:38:55 | Analyzed | Vulnerability Status | updated |