CVE-2018-0735
openssl - security update
5.9
MEDIUM
CVSS 3.1
EPSS 4.8%
Description
The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).
How to fix CVE-2018-0735
To remediate CVE-2018-0735, upgrade the affected package to a fixed version below.
- Alpine/nodejs—upgrade to 10.14.0-r0 or later
- —upgrade to 1.1.1a-r0 or later
- —upgrade to 1.1.1a-r0 or later
- —upgrade to 1.1.1a-1 or later
- —upgrade to 1.0.1t-1+deb8u10 or later
Is CVE-2018-0735 being exploited?
Low — EPSS is 4.8%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 10.14.0-r0
- from 0, < 1.1.1a-r0
- from 0, < 1.1.1a-r0
- from 0, < 1.1.1a-1
- from 0, < 1.0.1t-1+deb8u10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |