PT-2018-8860 · Arm+2 · Mbed Tls+2

Published 2018-07-28 · Updated 2020-02-10 · CVE-2018-0497

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions mbed TLS versions prior to 2.12.0 mbed TLS versions prior to 2.7.5 mbed TLS versions prior to 2.1.14

Description The issue allows remote attackers to achieve partial plaintext recovery for a CBC based ciphersuite via a timing-based side-channel attack. This is due to an incorrect fix for a previous issue, which involved a wrong SHA-384 calculation.

Recommendations For versions prior to 2.12.0, update to version 2.12.0 or later. For versions prior to 2.7.5, update to version 2.7.5 or later. For versions prior to 2.1.14, update to version 2.1.14 or later.

Exploit

Fix

Related Identifiers

ALT-PU-2019-1599

CVE-2018-0497

DLA-1518-1

DSA-4296-1

MGASA-2018-0432

USN-4267-1

Affected Products

Alt Linux

Ubuntu

Mbed Tls

References · 43

• 🔥 https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02 · Exploit
• https://debian.org/security/2018/dsa-4296 · Vendor Advisory
• https://usn.ubuntu.com/4267-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0487 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0488 · Security Note
• https://ubuntu.com/security/CVE-2018-0487 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18187 · Security Note
• https://ubuntu.com/security/CVE-2018-0498 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DSA-4296-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0432.html · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9988 · Security Note
• https://ubuntu.com/security/notices/USN-4267-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DLA-1518-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-0497 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2018-0497 · Vendor Advisory