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;
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Canonical Apport — versions 2.20.9-0ubuntu7.8, 2.20.11-0ubuntu16, 2.20.11-0ubuntu27.9
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- cve.mitre.org/cgi-bin/cvename.cgi (Third Party Advisory)
- ubuntu.com/security/notices/USN-5077-1 (Vendor Advisory)
- ubuntu.com/security/notices/USN-5077-2 (Vendor Advisory)
- bugs.launchpad.net/ubuntu/+source/apport/+bug/1934308 (Exploit, 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.