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CVE-2017-2923

Published: 24 April 2018

An exploitable heap based buffer overflow vulnerability exists in the 'read_biff_next_record function' of FreeXL 1.0.3. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

From the Ubuntu Security Team

It was discovered that FreeXL did not properly handle certain input, resulting in a beap-based buffer overflow. If a user were tricked into opening a malicious Excel spreadsheet, an attacker could execute arbitrary code.

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 (1.0.0g-1+deb8u5, 1.0.2-2+deb9u2)
xenial
Released (1.0.2-1ubuntu0.1)
zesty
Released (1.0.2-2+deb9u1build0.17.04.1)

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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H