CVE-2017-2923

Publication date 24 April 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
freexl 18.04 LTS bionic
Not affected
17.10 artful Ignored end of life
17.04 zesty
Fixed 1.0.2-2+deb9u1build0.17.04.1
16.04 LTS xenial
Fixed 1.0.2-1ubuntu0.1
14.04 LTS trusty
Fixed 1.0.0g-1ubuntu0.14.04.3

Severity score breakdown

Parameter Value
Base score 8.8 · High
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