CVE-2018-10846

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2018-10846
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.

5.6 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.1 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

1.9 /10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
http://www.securityfocus.com/bid/105138 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3050 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846 Issue Tracking Patch Third Party Advisory
https://eprint.iacr.org/2018/747 Third Party Advisory
https://gitlab.com/gnutls/gnutls/merge_requests/657 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
https://usn.ubuntu.com/3999-1/ Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
History

13 Feb 2023, 04:50

Type Values Removed Values Added
Summary 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. 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.
CWE CWE-327 CWE-385
References
  • {'url': 'https://access.redhat.com/security/cve/CVE-2018-10846', 'name': 'https://access.redhat.com/security/cve/CVE-2018-10846', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1582574', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1582574', 'tags': [], 'refsource': 'MISC'}

02 Feb 2023, 21:17

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/', 'name': 'FEDORA-2020-d14280a6e8', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/', 'name': 'FEDORA-2020-f90fb78f70', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • (MISC) https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/ -
  • (MISC) https://access.redhat.com/security/cve/CVE-2018-10846 -
  • (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1582574 -
  • (MISC) https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/ -
Summary 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. 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.
Information

Published : 2018-08-22 13:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-10846

Mitre link : CVE-2018-10846

CVE.ORG link : CVE-2018-10846

JSON object : View

Products Affected

redhat

  • enterprise_linux_desktop
  • enterprise_linux_server
  • enterprise_linux_workstation

gnu

  • gnutls

debian

  • debian_linux

canonical

  • ubuntu_linux

fedoraproject

  • fedora
CWE
CWE-385

Covert Timing Channel

CWE-327

Use of a Broken or Risky Cryptographic Algorithm