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ubuntuUbuntuUSN-4640-1
HistoryNov 23, 2020 - 12:00 a.m.

PulseAudio vulnerability

2020-11-2300:00:00
ubuntu.com
57
pulseaudio
ubuntu
vulnerability
patch
snap client
sensitive information

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.8

Confidence

High

EPSS

0.001

Percentile

18.0%

JSON

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • pulseaudio - PulseAudio sound server

Details

James Henstridge discovered that an Ubuntu-specific patch caused
PulseAudio to incorrectly handle snap client connections. An attacker
could possibly use this to expose sensitive information.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchlibpulse-mainloop-glib0< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulse-dev< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulse-mainloop-glib0-dbgsym< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulse0< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulse0-dbgsym< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulsedsp< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchlibpulsedsp-dbgsym< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchpulseaudio< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchpulseaudio-dbgsym< 1:13.99.2-1ubuntu2.1UNKNOWN
Ubuntu20.10noarchpulseaudio-equalizer< 1:13.99.2-1ubuntu2.1UNKNOWN
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CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

4.8

Confidence

High

EPSS

0.001

Percentile

18.0%

JSON
Related for USN-4640-1
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