CVE-2018-12020

HIGH

GnuPG <2.2.8 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (21)

Core 21
Core References
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3675-2/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2180
Mailing List, Vendor Advisory x_refsource_misc
https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
Mailing List, Third Party Advisory x_refsource_misc
http://openwall.com/lists/oss-security/2018/06/08/2
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4222
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2181
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4224
Broken Link vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/104450
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4223
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3675-3/
Broken Link vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041051
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3675-1/
Patch, Vendor Advisory x_refsource_misc
https://dev.gnupg.org/T4012
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2019/04/30/4
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2019/Apr/38
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3964-1/
Technical Description, Third Party Advisory x_refsource_misc
https://github.com/RUB-NDS/Johnny-You-Are-Fired
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html

Scores

CVSS v3 7.5
EPSS 0.0865
EPSS Percentile 94.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-706
Status published
Products (20)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
canonical/ubuntu_linux 19.04
debian/debian_linux 8.0
debian/debian_linux 9.0
gnupg/gnupg < 2.2.8
... and 10 more
Published Jun 08, 2018
Tracked Since Feb 18, 2026