PoC Index

CVE-2018-20834

HIGH 7.5EPSS 3.1%

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).

CVSS v3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:P
EPSS
3.15% chance of exploitation in the next 30 days, 87th percentile
Published
2019-04-30
Updated
2024-08-05

Proof-of-concept exploits (1)

References

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