CVE-2018-7442

Publication date 23 February 2018

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
leptonlib 25.04 plucky
Fixed 1.76.0-1
24.10 oracular
Fixed 1.76.0-1
24.04 LTS noble
Fixed 1.76.0-1
23.10 mantic
Fixed 1.76.0-1
23.04 lunar
Fixed 1.76.0-1
22.10 kinetic
Fixed 1.76.0-1
22.04 LTS jammy
Fixed 1.76.0-1
21.10 impish
Fixed 1.76.0-1
21.04 hirsute
Fixed 1.76.0-1
20.10 groovy
Fixed 1.76.0-1
20.04 LTS focal
Fixed 1.76.0-1
19.10 eoan
Fixed 1.76.0-1
19.04 disco
Fixed 1.76.0-1
18.10 cosmic
Fixed 1.76.0-1
18.04 LTS bionic
Vulnerable
17.10 artful Ignored end of life
16.04 LTS xenial
Vulnerable
14.04 LTS trusty
Vulnerable

Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N