PoC Index

CVE-2019-13173

HIGH 7.5EPSS 2.4%

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.

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
2.42% chance of exploitation in the next 30 days, 83th percentile
Published
2019-07-02
Updated
2024-08-04

Proof-of-concept exploits (1)

References

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