CVE-2018-10846

LOW

Description

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

References

http://www.securityfocus.com/bid/105138

https://access.redhat.com/errata/RHSA-2018:3050

https://access.redhat.com/errata/RHSA-2018:3505

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846

https://eprint.iacr.org/2018/747

https://gitlab.com/gnutls/gnutls/merge_requests/657

https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html

https://usn.ubuntu.com/3999-1/

Details

Source: MITRE

Published: 2018-08-22

Updated: 2019-10-03

Type: CWE-327

Risk Information

CVSS v2.0

Base Score: 1.9

Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW

CVSS v3.0

Base Score: 5.6

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Impact Score: 4

Exploitability Score: 1.1

Severity: MEDIUM