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Vulnerability details: VCID-sf4r-1fct-fkgg
Vulnerability ID VCID-sf4r-1fct-fkgg
Aliases CVE-2018-10846
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.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-327 Use of a Broken or Risky Cryptographic Algorithm
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10846.json
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
epss 0.00025 https://api.first.org/data/v1/epss?cve=CVE-2018-10846
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 1.9 https://nvd.nist.gov/vuln/detail/CVE-2018-10846
cvssv3.1 5.6 https://nvd.nist.gov/vuln/detail/CVE-2018-10846
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:3505
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10846.json
https://api.first.org/data/v1/epss?cve=CVE-2018-10846
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10846
https://eprint.iacr.org/2018/747
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.com/gnutls/gnutls/merge_requests/657
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
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/
http://www.securityfocus.com/bid/105138
1582574 https://bugzilla.redhat.com/show_bug.cgi?id=1582574
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-10846 https://nvd.nist.gov/vuln/detail/CVE-2018-10846
RHSA-2018:3050 https://access.redhat.com/errata/RHSA-2018:3050
USN-3999-1 https://usn.ubuntu.com/3999-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10846.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-10846
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-10846
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.05299
EPSS Score 0.00025
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:43.477819+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3999-1/ 37.0.0