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CVE-2018-10846

gnutls: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · August 21, 2018

Updated · June 30, 2026

Description

A cache-based side channel attack was found in the way GnuTLS implements CBC-mode cipher suites. An attacker could use a combination of "Just in Time" Prime+probe and Lucky-13 attacks to recover plain text in a cross-VM attack scenario.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N

CWE-327 · Use of a Broken or Risky Cryptographic Algorithm