Improper Link Resolution Before File Access Affecting nodegit package, versions <0.26.3


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Mature
EPSS
11.58% (96th percentile)

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  • Snyk IDSNYK-JS-NODEGIT-542723
  • published7 Jan 2020
  • disclosed10 Dec 2019
  • creditUnknown

Introduced: 10 Dec 2019

CVE-2019-1354  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade nodegit to version 0.26.3 or higher.

Overview

nodegit is a Node bindings to the libgit2 project.

Affected versions of this package are vulnerable to Improper Link Resolution Before File Access. Filenames on Linux/Unix can contain backslashes. On Windows, backslashes are directory separators. Git did not use to refuse to write out tracked files with such filenames.

The exploit uses backslashes in the file names stored in tree objects, allowing arbitrary files even outside of the Git worktree to be over-written.

Note: This is a Windows-only vulnerability.

CVSS Scores

version 3.1