Vulnerability Details CVE-2018-20834
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 6.4
References
- https://access.redhat.com/errata/RHSA-2019:1821
- https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d
- https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8
- https://github.com/npm/node-tar/commits/v2.2.2
- https://github.com/npm/node-tar/compare/58a8d43...a5f7779
- https://hackerone.com/reports/344595
- https://nvd.nist.gov/vuln/detail/CVE-2018-20834
- https://access.redhat.com/errata/RHSA-2019:1821
- https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d
- https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8
- https://github.com/npm/node-tar/commits/v2.2.2
- https://github.com/npm/node-tar/compare/58a8d43...a5f7779
- https://hackerone.com/reports/344595
- https://nvd.nist.gov/vuln/detail/CVE-2018-20834
Products affected by CVE-2018-20834
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cpe:2.3:a:node-tar_project:node-tar:0.1.0
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cpe:2.3:a:node-tar_project:node-tar:0.1.10
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cpe:2.3:a:node-tar_project:node-tar:0.1.11
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cpe:2.3:a:node-tar_project:node-tar:0.1.12
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cpe:2.3:a:node-tar_project:node-tar:0.1.13
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cpe:2.3:a:node-tar_project:node-tar:0.1.14
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cpe:2.3:a:node-tar_project:node-tar:0.1.15
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cpe:2.3:a:node-tar_project:node-tar:0.1.16
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cpe:2.3:a:node-tar_project:node-tar:0.1.17
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cpe:2.3:a:node-tar_project:node-tar:0.1.18
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cpe:2.3:a:node-tar_project:node-tar:0.1.19
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cpe:2.3:a:node-tar_project:node-tar:0.1.2
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cpe:2.3:a:node-tar_project:node-tar:0.1.20
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cpe:2.3:a:node-tar_project:node-tar:0.1.3
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cpe:2.3:a:node-tar_project:node-tar:0.1.5
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cpe:2.3:a:node-tar_project:node-tar:0.1.6
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cpe:2.3:a:node-tar_project:node-tar:0.1.7
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cpe:2.3:a:node-tar_project:node-tar:0.1.8
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cpe:2.3:a:node-tar_project:node-tar:0.1.9
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cpe:2.3:a:node-tar_project:node-tar:1.0.0
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cpe:2.3:a:node-tar_project:node-tar:1.0.1
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cpe:2.3:a:node-tar_project:node-tar:1.0.2
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cpe:2.3:a:node-tar_project:node-tar:1.0.3
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cpe:2.3:a:node-tar_project:node-tar:2.0.0
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cpe:2.3:a:node-tar_project:node-tar:2.0.1
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cpe:2.3:a:node-tar_project:node-tar:2.1.0
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cpe:2.3:a:node-tar_project:node-tar:2.1.1
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cpe:2.3:a:node-tar_project:node-tar:2.2.1
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cpe:2.3:a:node-tar_project:node-tar:3.0.0
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cpe:2.3:a:node-tar_project:node-tar:3.0.1
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cpe:2.3:a:node-tar_project:node-tar:3.1.0
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cpe:2.3:a:node-tar_project:node-tar:3.1.1
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cpe:2.3:a:node-tar_project:node-tar:3.1.10
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cpe:2.3:a:node-tar_project:node-tar:3.1.11
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cpe:2.3:a:node-tar_project:node-tar:3.1.12
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cpe:2.3:a:node-tar_project:node-tar:3.1.13
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cpe:2.3:a:node-tar_project:node-tar:3.1.14
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cpe:2.3:a:node-tar_project:node-tar:3.1.15
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cpe:2.3:a:node-tar_project:node-tar:3.1.2
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cpe:2.3:a:node-tar_project:node-tar:3.1.3
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cpe:2.3:a:node-tar_project:node-tar:3.1.4
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cpe:2.3:a:node-tar_project:node-tar:3.1.5
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cpe:2.3:a:node-tar_project:node-tar:3.1.6
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cpe:2.3:a:node-tar_project:node-tar:3.1.7
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cpe:2.3:a:node-tar_project:node-tar:3.1.8
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cpe:2.3:a:node-tar_project:node-tar:3.1.9
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cpe:2.3:a:node-tar_project:node-tar:3.2.0
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cpe:2.3:a:node-tar_project:node-tar:3.2.1
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cpe:2.3:a:node-tar_project:node-tar:4.0.0
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cpe:2.3:a:node-tar_project:node-tar:4.0.1
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cpe:2.3:a:node-tar_project:node-tar:4.0.2
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cpe:2.3:a:node-tar_project:node-tar:4.1.0
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cpe:2.3:a:node-tar_project:node-tar:4.1.1
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cpe:2.3:a:node-tar_project:node-tar:4.1.2
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cpe:2.3:a:node-tar_project:node-tar:4.2.0
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cpe:2.3:a:node-tar_project:node-tar:4.3.0
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cpe:2.3:a:node-tar_project:node-tar:4.3.1
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cpe:2.3:a:node-tar_project:node-tar:4.3.2
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cpe:2.3:a:node-tar_project:node-tar:4.3.3
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cpe:2.3:a:node-tar_project:node-tar:4.4.0
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cpe:2.3:a:node-tar_project:node-tar:4.4.1