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CVE-2018-0497

CVE information

Published

4 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vulnerability exists because of an incorrect fix (with a wrong SHA-384 calculation) for CVE-2013-0169..

CVSSv2.0 Score

Severity
Medium
Base Score
4.3/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.9/10
Exploit Score
2.2/10
Access Vector
Network
Access Complexity
High
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
High
Availability Impact
None
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
  Yes
2.8.0 2.12.0
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
  Yes
2.2.0 2.7.5
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
  Yes
- 2.1.14
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  Yes
- -