Vulnerability in Fstream Project
CVE-2019-13173
fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.npmjs.com/advisories/886 (Patch, Vendor Advisory)
- github.com/npm/fstream/commit/6a77d2fa6e1462693cf8e46f930da96ec1b0bb22 (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00010.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-08/msg00052.html (vendor-advisory)
- usn.ubuntu.com/4123-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2019-13173?
- CVE-2019-13173 is a high-severity vulnerability in Fstream Project, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2019-07-02.
- How severe is CVE-2019-13173?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-13173 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.