CVE-2018-16869
5.7
MEDIUM
CVSS 3.1
EPSS 0.11%
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.
How to fix CVE-2018-16869
To remediate CVE-2018-16869, upgrade the affected package to a fixed version below.
- —upgrade to 3.4.1~rc1-1 or later
Is CVE-2018-16869 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.4.1~rc1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.7 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N |