CVE-2018-16869 | Date: (C)2018-12-06 (M)2024-01-26 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V3 Severity: | CVSS V2 Severity: |
CVSS Score : 5.7 | CVSS Score : 3.3 |
Exploit Score: 0.5 | Exploit Score: 3.4 |
Impact Score: 4.7 | Impact Score: 4.9 |
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CVSS V3 Metrics: | CVSS V2 Metrics: |
Attack Vector: PHYSICAL | Access Vector: LOCAL |
Attack Complexity: HIGH | Access Complexity: MEDIUM |
Privileges Required: NONE | Authentication: NONE |
User Interaction: NONE | Confidentiality: PARTIAL |
Scope: CHANGED | Integrity: PARTIAL |
Confidentiality: HIGH | Availability: NONE |
Integrity: LOW | |
Availability: NONE | |
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