Apport through 2.20.7 does not properly handle core dumps from setuid binaries allowing local users to create certain files as root which a…

published 2018-02-02 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5687

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits: 0; none known

Apport through 2.20.7 does not properly handle core dumps from setuid binaries allowing local users to create certain files as root which an attacker could leverage to perform a denial of service via resource exhaustion or possibly gain root privileges. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1324.

Patch / fix

distros 1

apport Ubuntu 14.04 LTS 2.14.1-0ubuntu3.27
apport Ubuntu 16.04 LTS 2.20.1-0ubuntu2.12

ubuntu advisories UBUNTU-CVE-2017-14177

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

n/a Apport

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

References

usn.ubuntu.com /usn/usn-3480-1
vendor-advisory, third-party-advisory
people.canonical.com /~ubuntu-security/cve/?cve=CVE-2017-14177
third-party-advisory
bazaar.launchpad.net /~apport-hackers/apport/trunk/revision/3171
issue-tracking, third-party-advisory
launchpad.net /bugs/1726372
issue-tracking, third-party-advisory

Sources

CVE List CVE-2017-14177
NVD CVE-2017-14177

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary