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ubuntuUbuntuUSN-4516-1
HistorySep 17, 2020 - 12:00 a.m.

GnuPG vulnerability

2020-09-1700:00:00
ubuntu.com
45

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

60.7%

Releases

  • Ubuntu 18.04 ESM

Packages

  • gnupg2 - GNU privacy guard - a free PGP replacement

Details

It was discovered that GnuPG signatures could be forged when the SHA-1
algorithm is being used. This update removes validating signatures based on
SHA-1 that were generated after 2019-01-19. In environments where this is
still required, a new option --allow-weak-key-signatures can be used to
revert this behaviour.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchgnupg< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchdirmngr< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchdirmngr-dbgsym< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgnupg-agent< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgnupg-l10n< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgnupg-utils< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgnupg-utils-dbgsym< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgnupg2< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgpg< 2.2.4-1ubuntu1.3UNKNOWN
Ubuntu18.04noarchgpg-agent< 2.2.4-1ubuntu1.3UNKNOWN
Rows per page:
1-10 of 291

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.002 Low

EPSS

Percentile

60.7%