High severityOSV Advisory· Published Apr 30, 2019· Updated Aug 5, 2024
CVE-2018-20834
CVE-2018-20834
Description
A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
tarnpm | >= 3.0.0, < 4.4.2 | 4.4.2 |
tarnpm | < 2.2.2 | 2.2.2 |
Affected products
2Patches
Vulnerability mechanics
References
8- access.redhat.com/errata/RHSA-2019:1821ghsavendor-advisoryx_refsource_REDHATWEB
- github.com/advisories/GHSA-j44m-qm6p-hp7mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-20834ghsax_refsource_MISCADVISORY
- github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395dghsax_refsource_MISCWEB
- github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8ghsax_refsource_MISCWEB
- github.com/npm/node-tar/commits/v2.2.2ghsax_refsource_MISCWEB
- github.com/npm/node-tar/compare/58a8d43...a5f7779ghsax_refsource_MISCWEB
- hackerone.com/reports/344595ghsax_refsource_MISCWEB
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