Overview
- Description
- Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 4.7
- Impact score
- 3.6
- Exploitability score
- 1
- Vector string
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
Weaknesses
- nvd@nist.gov
- CWE-327
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E24E3CA8-CBFE-4C75-A3C0-1B0D8C3B694B",
"versionEndExcluding": "2.16.11"
},
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "32B8405B-52A8-485A-85D2-D696626DBE19",
"versionEndExcluding": "2.27.0",
"versionStartIncluding": "2.17.0"
},
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "539125FA-10D5-41EF-B5D7-93B809231A33",
"versionEndExcluding": "3.0.0",
"versionStartIncluding": "2.28.0"
}
],
"operator": "OR"
}
]
}
]