CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

A vulnerability was found in Libgd 2.2.5. It has been declared as critical. Affected by this vulnerability is the function gdImageBmpPtr. The manipulation as part of a JPEG Image leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Libgd version 2.2.5 contains a Double Free Vulnerability vulnerability in gdImageBmpPtr Function that can result in Remote Code Execution . This attack appear to be exploitable via Specially Crafted Jpeg Image can trigger double free. This vulnerability appears to have been fixed in after commit ac16bdf2d41724b5a65255d4c28fb0ec46bc42f5.

The bug was discovered 07/14/2018. The weakness was published 08/20/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-1000222 since 08/20/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 37 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112150 (Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : libgd2 vulnerabilities (USN-3755-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197243 (Ubuntu Security Notification for Libgd2 Vulnerabilities (USN-3755-1)).

Applying the patch ac16bdf2d41724b5a65255d4c28fb0ec46bc42f5 is able to eliminate this problem. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (112150). Similar entries are available at 111901, 130273 and 130276.

Productinfo

Name

• Libgd

Version

• 2.2.5

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 112150
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : libgd2 vulnerabilities (USN-3755-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: ac16bdf2d41724b5a65255d4c28fb0ec46bc42f5

Timelineinfo

07/14/2018 🔍
08/20/2018 +36 days 🔍
08/20/2018 +0 days 🔍
08/20/2018 +0 days 🔍
08/21/2018 +1 days 🔍
08/27/2018 +6 days 🔍
08/28/2018 +1 days 🔍
01/26/2019 +151 days 🔍
05/02/2023 +1557 days 🔍

Sourcesinfo

Advisory: USN-3755-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000222 (🔍)
SecurityFocus: 106731 - LibGD CVE-2019-6977 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 08/21/2018 06:53
Updated: 05/02/2023 15:37
Changes: 08/21/2018 06:53 (75), 03/16/2020 21:49 (5), 05/02/2023 15:26 (4), 05/02/2023 15:31 (1), 05/02/2023 15:37 (1)
Complete: 🔍

Discussion

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