SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-0497

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.

MEDIUM 5.9EPSS 2.67%

Does this matter?

Lower severity and a low EPSS score (2.67%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
2.67% probability · 85th percentile
CISA KEV
Not listed
Affected
arm/mbed tls · debian/debian linux
Source
security@debian.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.