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CVE-2020-16128

Aptdaemon error messages disclosed file existence to unprivileged users via dbus properties

LOW
3.8
CVSS Score
Published: December 9, 2020 at 03:35 AM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorUbuntu Linux

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Severity
LOW3.8
Exploit prediction
EPSS 0.3%

Description

The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
1.1.1+bzr982-0ubuntu14 ≤ v < 1.1.1+bzr982-0ubuntu14.51.1.1+bzr982-0ubuntu19 ≤ v < 1.1.1+bzr982-0ubuntu19.51.1.1+bzr982-0ubuntu32 ≤ v < 1.1.1+bzr982-0ubuntu32.31.1.1+bzr982-0ubuntu34 ≤ v < 1.1.1+bzr982-0ubuntu34.11.1.1+bzr982-0ubuntu141.1.1+bzr982-0ubuntu191.1.1+bzr982-0ubuntu321.1.1+bzr982-0ubuntu3416.0418.0420.0420.10
Affected range stops below 1.1.1+bzr982-0ubuntu14.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.1.1+bzr982-0ubuntu19.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.1.1+bzr982-0ubuntu32.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.1.1+bzr982-0ubuntu34.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCBroken Link
Source: [email protected]
https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/1899513
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/usn/usn-4664-1

CVSS

3.8LOWcanonical
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-209

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