CVE-2021-32556

apport get_modified_conffiles() function command injection

LOW
3.3
CVSS Score
Published: June 12, 2021 at 03:40 AM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorApport

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Severity
LOW3.3
Exploit prediction
EPSS 0.3%

Description

It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg(1) call.

Affected

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

2.14.1-0ubuntu3 ≤ v < 2.14.1-0ubuntu3.29+esm72.20.1 ≤ v < 2.20.1-0ubuntu2.30+esm12.20.11-0ubuntu27 ≤ v < 2.20.11-0ubuntu27.182.20.11-0ubuntu50 ≤ v < 2.20.11-0ubuntu50.72.20.11-0ubuntu65 ≤ v < 2.20.11-0ubuntu65.12.20.9 ≤ v < 2.20.9-0ubuntu7.242.14.1-0ubuntu32.20.12.20.11-0ubuntu272.20.11-0ubuntu502.20.11-0ubuntu652.20.9
Affected range stops below 2.14.1-0ubuntu3.29+esm7, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.1-0ubuntu2.30+esm1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.11-0ubuntu27.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.11-0ubuntu50.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.11-0ubuntu65.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.9-0ubuntu7.24, 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:

References (1)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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