CVE-2018-16869

2018-12-0314:00:00

CWE-203

redhat

www.cve.org

4.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.8%

JSON

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.

CNA Affected

[
  {
    "product": "nettle",
    "vendor": "[UNKNOWN]",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]