CVE-2018-0735

Severity CVSS v4.0:

Pending analysis

Type:

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Publication date:

29/10/2018

Last modified:

07/11/2023

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).

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.90

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openssl:openssl::::::::	1.1.0 (including)	1.1.0i (including)
cpe:2.3:a:openssl:openssl:1.1.1:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:a:nodejs:node.js:::::-:::*	10.0.0 (including)	10.12.0 (excluding)
cpe:2.3:a:nodejs:node.js:::::-:::*	11.0.0 (including)	11.3.0 (excluding)
cpe:2.3:a:nodejs:node.js:10.13.0::::lts:::
cpe:2.3:o:netapp:cn1610_firmware:-:::::::*
cpe:2.3:h:netapp:cn1610:-:::::::*
cpe:2.3:a:netapp:cloud_backup:-:::::::*
cpe:2.3:a:netapp:element_software:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:openssl:openssl::::::::	1.1.0 (including)	1.1.0i (including)
cpe:2.3:a:openssl:openssl:1.1.1:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:a:nodejs:node.js:::::-:::*	10.0.0 (including)	10.12.0 (excluding)
cpe:2.3:a:nodejs:node.js:::::-:::*	11.0.0 (including)	11.3.0 (excluding)
cpe:2.3:a:nodejs:node.js:10.13.0::::lts:::
cpe:2.3:o:netapp:cn1610_firmware:-:::::::*
cpe:2.3:h:netapp:cn1610:-:::::::*
cpe:2.3:a:netapp:cloud_backup:-:::::::*
cpe:2.3:a:netapp:element_software:-:::::::*

CVE-2018-0735

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools