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CVE-2018-7441

Published: 23 February 2018

Leptonica through 1.75.3 uses hardcoded /tmp pathnames, which might allow local users to overwrite arbitrary files or have unspecified other impact by creating files in advance or winning a race condition, as demonstrated by /tmp/junk_split_image.ps in prog/splitimage2pdf.c.

Notes

AuthorNote
ebarretto
Neutralised by kernel hardening
https://lists.debian.org/debian-lts/2018/02/msg00054.html

Priority

Low

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
leptonlib
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Needed

cosmic
Released (1.76.0-1)
disco
Released (1.76.0-1)
eoan
Released (1.76.0-1)
focal
Released (1.76.0-1)
groovy
Released (1.76.0-1)
hirsute
Released (1.76.0-1)
impish
Released (1.76.0-1)
jammy
Released (1.76.0-1)
kinetic
Released (1.76.0-1)
precise Does not exist

trusty Needed

upstream Needs triage

xenial Needed

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H