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ubuntuUbuntuUSN-4134-3
HistoryMar 24, 2020 - 12:00 a.m.

IBus vulnerability

2020-03-2400:00:00
ubuntu.com
37

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.0%

Releases

  • Ubuntu 19.10
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • ibus - Intelligent Input Bus - core

Details

USN-4134-1 fixed a vulnerability in IBus. The update caused a regression in
some Qt applications and the fix was subsequently reverted in
USN-4134-2. The regression has since been resolved and so this update fixes
the original vulnerability.

We apologize for the inconvenience.

Original advisory details:

Simon McVittie discovered that IBus did not enforce appropriate access
controls on its private D-Bus socket. A local unprivileged user who
discovers the IBus socket address of another user could exploit this to
capture the key strokes of the other user.

OSVersionArchitecturePackageVersionFilename
Ubuntu19.10noarchibus< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchgir1.2-ibus-1.0< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-data< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-dbgsym< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-doc< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-gtk< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-gtk-dbgsym< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-gtk3< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-gtk3-dbgsym< 1.5.21-1~exp2ubuntu2.1UNKNOWN
Ubuntu19.10noarchibus-tests< 1.5.21-1~exp2ubuntu2.1UNKNOWN
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7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.0%