CVE-2018-12437
CVSS V2 Low 1.9
CVSS V3 Medium 4.9
Description
LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Overview
- CVE ID
- CVE-2018-12437
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-06-15T02:29:00
- Last Modified Date
- 2021-06-29T14:27:49
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:* | 1 | OR | 1.18.1 | |
| cpe:2.3:o:linaro:op-tee:*:*:*:*:*:*:*:* | 1 | OR | 3.5.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 1.9
- Severity
- LOW
- Exploitability Score
- 3.4
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Attack Vector
- PHYSICAL
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 4.9
- Base Severity
- MEDIUM
- Exploitability Score
- 0.5
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ | Exploit Technical Description Third Party Advisory |
| https://security.gentoo.org/glsa/202007-53 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-12437 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12437 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:09:39 | Added to TrackCVE | |||
| 2022-12-03 08:07:19 | 2018-06-15T02:29Z | 2018-06-15T02:29:00 | CVE Published Date | updated |
| 2022-12-03 08:07:19 | 2021-06-29T14:27:49 | CVE Modified Date | updated | |
| 2022-12-03 08:07:19 | Analyzed | Vulnerability Status | updated |