dirmngr: A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm
CVE-2019-14855 is fixed in 17 products on 1 platform, first by dirmngr 2.2.4-1ubuntu1.3, released March 20, 2020. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dirmngr · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | dirmngr 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gnupg · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gnupg 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gnupg-agent · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gnupg-agent 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gnupg-l10n · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gnupg-l10n 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gnupg-utils · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gnupg-utils 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gnupg2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gnupg2 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpg · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpg 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpg-agent · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpg-agent 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpg-wks-client · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpg-wks-client 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpg-wks-server · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpg-wks-server 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgconf · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgconf 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgsm · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgsm 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgv · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgv 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgv-static · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgv-static 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgv-win32 · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgv-win32 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| gpgv2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | gpgv2 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
| scdaemon · Ubuntu 18.04.6 LTS (bionic) | 2.2.4-1ubuntu1.3 | scdaemon 2.2.4-1ubuntu1.3 | Mar 20, 2020 |
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