Path Traversal in Leptonica

CVE-2018-7442

An issue was discovered in Leptonica through 1.75.3. The gplotMakeOutput function does not block '/' characters in the gplot rootname argument, potentially leading to path traversal and arbitrary file overwrite.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.020 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-7442?
CVE-2018-7442 is a critical-severity vulnerability in Leptonica, classified under Path Traversal. CVSS score: 9.1/10. Published 2018-02-23.
How severe is CVE-2018-7442?
Critical severity. CVSS v3 base score is 9.1 out of 10.