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Vulnerability details: VCID-bv5h-ayrs-aaan
Vulnerability ID VCID-bv5h-ayrs-aaan
Aliases CVE-2018-1000858
Summary GnuPG version 2.1.12 - 2.2.11 contains a Cross ite Request Forgery (CSRF) vulnerability in dirmngr that can result in Attacker controlled CSRF, Information Disclosure, DoS. This attack appear to be exploitable via Victim must perform a WKD request, e.g. enter an email address in the composer window of Thunderbird/Enigmail. This vulnerability appears to have been fixed in after commit 4a4bb874f63741026bd26264c43bb32b1099f060.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-352 Cross-Site Request Forgery (CSRF)
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-1000858.html
rhas Moderate https://access.redhat.com/errata/RHSA-2020:4490
cvssv3 5.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000858.json
epss 0.00126 https://api.first.org/data/v1/epss?cve=CVE-2018-1000858
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1663917
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000858
cvssv3 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
generic_textual Medium https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html
generic_textual Medium https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html
generic_textual Medium https://ubuntu.com/security/notices/USN-3853-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-1000858.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000858.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1000858
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000858
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://sektioneins.de/en/advisories/advisory-012018-gnupg-wkd.html
https://sektioneins.de/en/blog/18-11-23-gnupg-wkd.html
https://ubuntu.com/security/notices/USN-3853-1
https://usn.ubuntu.com/3853-1/
1663917 https://bugzilla.redhat.com/show_bug.cgi?id=1663917
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
CVE-2018-1000858 https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
RHSA-2020:4490 https://access.redhat.com/errata/RHSA-2020:4490
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000858.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:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L 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:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1000858
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 0.28822
EPSS Score 0.00126
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.