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CVE-2017-18196

Published: 23 February 2018

Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.

From the Ubuntu security team

It was discovered that Leptonica incorrectly handled path names. An attacker could possibly use this issue to obtain sensitive information.

Priority

Low

CVSS 3 base score: 3.3

Status

Package Release Status
leptonlib
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(1.75.3-2)
cosmic Not vulnerable
(1.75.3-2)
disco Not vulnerable
(1.75.3-2)
eoan Not vulnerable
(1.75.3-2)
focal Not vulnerable
(1.75.3-2)
groovy Not vulnerable
(1.75.3-2)
hirsute Not vulnerable
(1.75.3-2)
impish Not vulnerable
(1.75.3-2)
jammy Not vulnerable
(1.75.3-2)
precise Does not exist

trusty Not vulnerable
(code not present)
upstream
Released (1.74.4-2)
xenial Ignored
(end of standard support, was needed)