High severity · published Jun 8, 2018
CVE-2018-12020
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…
7.5
CVSS
8.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.2% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
GN
Gnupg · Gnupg
before 2.2.8 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 17.10; 18.04; 18.10; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12020
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12020
Mailing List
http://openwall.com/lists/oss-security/2018/06/08/2
Third Party Advisory
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
Mailing List
http://seclists.org/fulldisclosure/2019/Apr/38
Mailing List
http://www.openwall.com/lists/oss-security/2019/04/30/4
Broken Link
http://www.securityfocus.com/bid/104450
Broken Link
http://www.securitytracker.com/id/1041051
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