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Vulnerability details: VCID-p6xn-vjxt-3qcu
Vulnerability ID VCID-p6xn-vjxt-3qcu
Aliases CVE-2018-12020
Summary mainproc.c in GnuPG before 2.2.8 mishandles the original filename during decryption and verification actions, which allows remote attackers to spoof the output that GnuPG sends on file descriptor 2 to other programs that use the "--status-fd 2" option. For example, the OpenPGP data might represent an original filename that contains line feed characters in conjunction with GOODSIG or VALIDSIG status codes.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-706 Use of Incorrectly-Resolved Name or Reference
CWE-20 Improper Input Validation
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.json
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01397 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01522 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
epss 0.01522 https://api.first.org/data/v1/epss?cve=CVE-2018-12020
cvssv3 7.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
archlinux High https://security.archlinux.org/AVG-713
Reference id Reference type URL
http://openwall.com/lists/oss-security/2018/06/08/2
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
https://access.redhat.com/errata/RHSA-2018:2180
https://access.redhat.com/errata/RHSA-2018:2181
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.json
https://api.first.org/data/v1/epss?cve=CVE-2018-12020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12020
https://dev.gnupg.org/T4012
http://seclists.org/fulldisclosure/2019/Apr/38
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
https://usn.ubuntu.com/3964-1/
https://www.debian.org/security/2018/dsa-4222
https://www.debian.org/security/2018/dsa-4223
https://www.debian.org/security/2018/dsa-4224
http://www.openwall.com/lists/oss-security/2019/04/30/4
http://www.securityfocus.com/bid/104450
http://www.securitytracker.com/id/1041051
1589620 https://bugzilla.redhat.com/show_bug.cgi?id=1589620
901088 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901088
ASA-201806-8 https://security.archlinux.org/ASA-201806-8
AVG-713 https://security.archlinux.org/AVG-713
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:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
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:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
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:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
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:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
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_server_aus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
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-2018-12020 https://nvd.nist.gov/vuln/detail/CVE-2018-12020
USN-3675-1 https://usn.ubuntu.com/3675-1/
USN-3675-2 https://usn.ubuntu.com/3675-2/
USN-3675-3 https://usn.ubuntu.com/3675-3/
USN-USN-4839-1 https://usn.ubuntu.com/USN-4839-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-12020.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:L/PR:N/UI:N/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:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12020
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12020
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 0.79224
EPSS Score 0.01336
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:04.635420+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.10/main.json 37.0.0