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CVE-2019-13173

Good to know:

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Date: July 2, 2019

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.

Language: Java

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2019-13173
https://usn.ubuntu.com/4123-1
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00010.html
https://github.com/npm/fstream/commit/6a77d2fa6e1462693cf8e46f930da96ec1b0bb22
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00052.html
https://www.npmjs.com/advisories/886
https://nvd.nist.gov/vuln/detail/CVE-2019-13173
https://usn.ubuntu.com/4123-1/
https://www.mend.io/vulnerability-database/CVE-2019-13173

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Improper Link Resolution Before File Access ('Link Following')

CWE-59

Top Fix

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Upgrade to version fstream - 1.0.12

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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