Path Traversal in Canonical Ubuntu Linux

CVE-2009-4013

Multiple directory traversal vulnerabilities in Lintian 1.23.x through 1.23.28, 1.24.x through 1.24.2.1, and 2.x before 2.3.2 allow remote attackers to overwrite arbitrary files or obtain sensitive information via vectors involving (1) control field names, (2) control field values, and (3) control files of patch systems.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.058 (92.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-4013: held from 0.057 to 0.058.

EPSS over last 30 days · oldest: 0.057 · newest: 0.058 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2009-4013?
CVE-2009-4013 is a critical-severity vulnerability in Canonical Ubuntu Linux, classified under Path Traversal. CVSS score: 9.8/10. Published 2010-02-02.
How severe is CVE-2009-4013?
Critical severity. CVSS v3 base score is 9.8 out of 10.