What is CVE-2021-3709?

CVE-2021-3709 is a medium-severity vulnerability in Canonical Apport, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 6.5/10. Published 2021-10-01.

How severe is CVE-2021-3709?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Canonical Apport

CVE-2021-3709

Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.20.9-0ubuntu7.26; 2.20.11 versions prior to 2.20.11-0ubuntu27.20; 2.20.11 versions prior to 2.20.11-0ubuntu65.3;

EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Canonical Apport — versions 2.20.9-0ubuntu7.8, 2.20.11-0ubuntu27.9, 2.20.11-0ubuntu16
Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04

Weakness classification (CWE)

References

security@ubuntu.com (Third Party Advisory, x_refsource_MISC)
security@ubuntu.com (x_refsource_MISC, Vendor Advisory)
security@ubuntu.com (x_refsource_MISC, Vendor Advisory)
security@ubuntu.com (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3709?: CVE-2021-3709 is a medium-severity vulnerability in Canonical Apport, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 6.5/10. Published 2021-10-01.
How severe is CVE-2021-3709?: Medium severity. CVSS v3 base score is 6.5 out of 10.