Description
ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4296
Mitigation, Third Party Advisory x_refsource_confirm
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4267-1/
Scores
CVSS v3
4.7
EPSS
0.0021
EPSS Percentile
43.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
Status
published
Products (3)
arm/mbed_tls
< 2.1.14
debian/debian_linux
8.0
debian/debian_linux
9.0
Published
Jul 28, 2018
Tracked Since
Feb 18, 2026