CVE-2019-11481: apport_project apport Link Following
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2019-11481
Published 08-02-2020Last modified 16-09-2024
Vulnerability summary
CVE-2019-11481 is a high (CVSS 7.8) Link Following vulnerability in apport_project apport. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.45%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 08-02-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 3.8–7.8
- CVE.orgCNA3.8LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated3.8LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:NDiffers
Medium 6.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.45% on 18-09-2026
18-09-202618-10-2026
EPSS score0.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical2 products
- apport≥ 2.14.1, < 2.14.1-0ubuntu3.29+esm2 | ≥ 2.20.1, < 2.20.1-0ubuntu2.20 | ≥ 2.20.9, < 2.20.9-0ubuntu7.8 | ≥ 2.20.11, < 2.20.11-0ubuntu8.1
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.04 | 19.10
Apport_project1 product
- apportna
Ubuntu1 product
- apport< 2.14.1-0ubuntu3.29+esm2 | < 2.20.1-0ubuntu2.20 | < 2.20.9-0ubuntu7.8
3 vendors · 4 products
References
7 links- usn.ubuntu.com/usn/usn-4171-1Third Party Advisory
- usn.ubuntu.com/usn/usn-4171-2Third Party Advisory