CVE-2017-1000172

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

17/11/2017

Last modified:

20/04/2025

Description

Creolabs Gravity Version: 1.0 Use-After-Free Possible code execution. An example of a Heap-Use-After-Free after the &#39;sublexer&#39; pointer has been freed. Line 542 of gravity_lexer.c. &#39;lexer&#39; is being used to access a variable but &#39;lexer&#39; has already been freed, creating a Heap Use-After-Free condition.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical