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CVE-2020-15709

add-apt-repository print ASNI terminal codes

MEDIUM
5.5
CVSS Score
Published: September 5, 2020 at 03:30 AM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorAdd Apt Repository

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

Versions of add-apt-repository before 0.98.9.2, 0.96.24.32.14, 0.96.20.10, and 0.92.37.8ubuntu0.1~esm1, printed a PPA (personal package archive) description to the terminal as-is, which allowed PPA owners to provide ANSI terminal escapes to modify terminal contents in unexpected ways.

Affected

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

Add Apt Repository· Canonical
95%
0.92.37.* ≤ v < 0.92.37.8ubuntu0.1~esm10.92.37.0 ≤ v < 0.92.37.8ubuntu0.1~esm10.96.20.* ≤ v < 0.96.20.100.96.20.0 ≤ v < 0.96.20.100.96.24.32.* ≤ v < 0.96.24.32.140.96.24.32.0 ≤ v < 0.96.24.32.140.98.9.* ≤ v < 0.98.9.20.98.9.0 ≤ v < 0.98.9.20.92.37.*0.96.20.*0.96.24.32.*0.98.9.*
Affected range stops below 0.92.37.8ubuntu0.1~esm1, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.96.20.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.96.24.32.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.98.9.2, 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 (1)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://git.launchpad.net/software-properties/commit/add-apt-repository?id=97e2fe7d181e8711e0f5253d3b8db40426c17f1e

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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