Path Traversal in Debian Dpkg

CVE-2017-8283

dpkg-source in dpkg 1.3.0 through 1.18.23 is able to use a non-GNU patch program and does not offer a protection mechanism for blank-indented diff hunks, which allows remote attackers to conduct directory traversal attacks via a crafted Debian source package, as demonstrated by use of dpkg-source on NetBSD.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.046 (91.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% 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-2017-8283: held from 0.046 to 0.046.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8283?
CVE-2017-8283 is a critical-severity vulnerability in Debian Dpkg, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-04-26.
How severe is CVE-2017-8283?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-8283 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.