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CVE-2018-0497

Date: July 28, 2018

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.

Language: C

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2018-0497
https://www.debian.org/security/2018/dsa-4296
https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
https://nvd.nist.gov/vuln/detail/CVE-2018-0497
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02
https://usn.ubuntu.com/4267-1/
https://security.alpinelinux.org/vuln/CVE-2018-0497
https://www.mend.io/vulnerability-database/CVE-2018-0497

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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