Overview
- Description
- A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.7
- Impact score
- 4.7
- Exploitability score
- 0.5
- Vector string
- CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
- Severity
- MEDIUM
CVSS 3.0
- Type
- Secondary
- Base score
- 4.7
- Impact score
- 4
- Exploitability score
- 0.3
- Vector string
- CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 3.3
- Impact score
- 4.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:P/I:P/A:N
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9516F0DE-4645-415E-AB2F-A5C81759B552",
"versionEndIncluding": "3.4"
}
],
"operator": "OR"
}
]
}
]