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CVE-2018-7436

Published: 23 February 2018

An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in a pointer dereference of the parse_SST function.

From the Ubuntu Security Team

It was discovered that FreeXL did not properly handle certain input, resulting in a beap-based buffer over-read. If a user were tricked into opening a malicious Excel spreadsheet, FreeXL could potentially leak sensitive information.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
freexl
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(1.0.5-1)
trusty
Released (1.0.0g-1ubuntu0.14.04.3)
upstream
Released (1.0.5-1)
xenial
Released (1.0.2-1ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H