Vulnerability Details : CVE-2021-32556
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.
Products affected by CVE-2021-32556
- Canonical » ApportVersions from including (>=) 2.14.1-0ubuntu3 and before (<) 2.14.1-0ubuntu3.29\+esm7cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- Canonical » ApportVersions from including (>=) 2.20.11-0ubuntu27 and before (<) 2.20.11-0ubuntu27.18cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- Canonical » ApportVersions from including (>=) 2.20.11-0ubuntu50 and before (<) 2.20.11-0ubuntu50.7cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- Canonical » ApportVersions from including (>=) 2.20.11-0ubuntu65 and before (<) 2.20.11-0ubuntu65.1cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32556
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32556
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
1.8
|
1.4
|
NIST | |
|
3.8
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
2.0
|
1.4
|
Canonical Ltd. |
CWE ids for CVE-2021-32556
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- security@ubuntu.com (Secondary)
References for CVE-2021-32556
-
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904
Bug #1917904 “Arbitrary file reads” : Bugs : apport package : UbuntuVendor Advisory
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