CVE-2018-0498

low-risk
Published 2018-07-28

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.

Do I need to act?

-
0.21% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (3)

Affected Vendors

Debian Arm

References (8)

Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
Mitigation https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-...
https://usn.ubuntu.com/4267-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4296
Mailing List https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
Mitigation https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-...
https://usn.ubuntu.com/4267-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4296
22
/ 100
low-risk
Severity 12/34 · Low
Exploitability 1/34 · Minimal
Exposure 9/34 · Low