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›vulnerability›CVE-2018-12020
Name
CVE-2018-12020
Source
NVD ( link)Debian ( link)
Description
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.
CWEs
CWE-706
Published Date
Updated Date
Workaround
-
Advisories
http://openwall.com/lists/oss-security/2018/06/08/2Mailing List
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlVDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List
http://www.securityfocus.com/bid/104450Broken Link
http://www.securitytracker.com/id/1041051Broken Link
https://access.redhat.com/errata/RHSA-2018:2180Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2181Third Party Advisory
https://dev.gnupg.org/T4012Patch
https://github.com/RUB-NDS/Johnny-You-Are-FiredTechnical Description
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdfTechnical Description
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00027.htmlMailing List
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.htmlMailing List
https://usn.ubuntu.com/3675-1/Third Party Advisory
https://usn.ubuntu.com/3675-2/Third Party Advisory
https://usn.ubuntu.com/3675-3/Third Party Advisory
https://usn.ubuntu.com/3964-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4222Third Party Advisory
https://www.debian.org/security/2018/dsa-4223Third Party Advisory
https://www.debian.org/security/2018/dsa-4224Third Party Advisory
http://openwall.com/lists/oss-security/2018/06/08/2Mailing List
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.htmlVDB Entry
http://seclists.org/fulldisclosure/2019/Apr/38Mailing List
http://www.openwall.com/lists/oss-security/2019/04/30/4Mailing List
http://www.securityfocus.com/bid/104450Broken Link
http://www.securitytracker.com/id/1041051Broken Link
https://access.redhat.com/errata/RHSA-2018:2180Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2181Third Party Advisory
https://dev.gnupg.org/T4012Patch
https://github.com/RUB-NDS/Johnny-You-Are-FiredTechnical Description
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdfTechnical Description
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00027.htmlMailing List
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.htmlMailing List
https://usn.ubuntu.com/3675-1/Third Party Advisory
https://usn.ubuntu.com/3675-2/Third Party Advisory
https://usn.ubuntu.com/3675-3/Third Party Advisory
https://usn.ubuntu.com/3964-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4222Third Party Advisory
https://www.debian.org/security/2018/dsa-4223Third Party Advisory
https://www.debian.org/security/2018/dsa-4224Third Party Advisory

Analysis#

Affected Component
Analysis
gnupg
Exploitable

Vulnerability Ratings#

7.5
CVSSv31
5
CVSSv2

Others affected components#

Name
Project
Project Version
Version
Status
gnupg
buildroot
master
1.4.23
Exploitable
gnupg2
buildroot
master
2.5.20
Not Affected
gnupg
openwrt
master
1.4.23-r5
Exploitable
gnupg2
openwrt
master
2.5.20-r1
Not Affected
gnupg
openwrt
openwrt-25.12
1.4.23-r5
Exploitable
gnupg2
openwrt
openwrt-25.12
2.4.8-r1
Not Affected
gnupg
yocto
kirkstone
2.3.7
Not Affected
gnupg
yocto
master
2.5.17
Not Affected
gnupg
yocto
scarthgap
2.4.9
Not Affected