Ubuntu update for npm/fstream
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-13173 |
| CWE-ID | CWE-62 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
node-fstream (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) UNIX hard link
EUVDB-ID: #VU20065
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-13173
CWE-ID:
CWE-62 - UNIX Hard Link
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to overwrite files on the system.
The vulnerability exists due to insufficient validation of files within archives in fstream.DirWriter() function. A remote attacker can create a tarball containing a hardlink to a file that already exists in the system and overwrite arbitrary files on the system.
Successful exploitation of the vulnerability may allow remote code execution but requires the ability to pass specially crafted tarballs to the application.
MitigationUpdate the affected packages.
- Ubuntu 19.04
- node-fstream - 1.0.10-1ubuntu0.19.04.2
- Ubuntu 18.04 LTS
- node-fstream - 1.0.10-1ubuntu0.18.04.1
node-fstream (Ubuntu package): 0.1.13-1 - 1.0.12-2
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
