Home/CVE/It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modifie
CVE

CVE-2021-32556

It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modifie

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.

LOW · CVSS 3.8 EPSS 0.00093
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

6
canonical apport>= 2.14.1-0ubuntu3 and < 2.14.1-0ubuntu3.29\+esm7
canonical apport>= 2.20.1 and < 2.20.1-0ubuntu2.30\+esm1
canonical apport>= 2.20.9 and < 2.20.9-0ubuntu7.24
canonical apport>= 2.20.11-0ubuntu27 and < 2.20.11-0ubuntu27.18
canonical apport>= 2.20.11-0ubuntu50 and < 2.20.11-0ubuntu50.7
canonical apport>= 2.20.11-0ubuntu65 and < 2.20.11-0ubuntu65.1
▣

Scoring & Timeline

3.8
LOW · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jun 2021 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
⚑

Vendor Advisories

2
usnUSN-4965-2
usnUSN-4965-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Vendor Advisory
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