Vulnerability identifier: #VU12732
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-320
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
GnuPG
Client/Desktop applications /
Encryption software
Vendor: GNU
Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to missing enforcement of a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey. A remote attacker can gain access to potentially sensitive information.
Mitigation
Install update from vendor's website.
Vulnerable software versions
GnuPG: 2.2.4 - 2.2.5
External links
http://dev.gnupg.org/T3844
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.