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ubuntuUbuntuUSN-5503-2
HistoryJul 12, 2022 - 12:00 a.m.

GnuPG vulnerability

2022-07-1200:00:00
ubuntu.com
40
gnupg
ubuntu 14.04
ubuntu 16.04
esm
injection
signature forgery

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.3

Confidence

High

EPSS

0.004

Percentile

74.3%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • gnupg - GNU privacy guard - a free PGP replacement
  • gnupg2 - GNU privacy guard - a free PGP replacement

Details

USN-5503-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in
the status message. A remote attacker could possibly use this issue to
forge signatures.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchgnupg2< 2.1.11-6ubuntu2.1+esm1UNKNOWN
Ubuntu16.04noarchdirmngr< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchdirmngr-dbgsym< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgnupg-agent< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgnupg-agent-dbgsym< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgnupg2< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgnupg2-dbgsym< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgpgsm< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgpgsm-dbgsym< 2.1.11-6ubuntu2.1UNKNOWN
Ubuntu16.04noarchgpgv-udeb< 2.1.11-6ubuntu2.1UNKNOWN
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CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

7.3

Confidence

High

EPSS

0.004

Percentile

74.3%