CVEvulnerability

CVE-2018-16869

5.7 MEDIUM Published 2018-12-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-12-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.7 MEDIUM — CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
CVSS 3.0 ([email protected])
4.7 MEDIUM — CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0 ([email protected])
3.3 LOW — AV:L/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-203

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.

Affected configurations

• nettle project nettle (<= 3.4)

Related

Weakness · CWE (1)

  • CWE-203 Observable Discrepancy weakness

References