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dimanche 28 octobre 2018

gThumb up to 3.6.2 dlg-contact-sheet.c add_themes_from_dir memory corruption

A vulnerability was found in gThumb up to 3.6.2. It has been rated as critical. This issue affects the function add_themes_from_dir of the file dlg-contact-sheet.c. The manipulation with an unknown input leads to a memory corruption vulnerability (Double-Free). Using CWE to declare the problem leads to CWE-415. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.

The weakness was published 10/28/2018. The identification of this vulnerability is CVE-2018-18718 since 10/27/2018. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/29/2018).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

CPE

CVSSv3

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

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

Exploiting

Class: Memory corruption / Double-Free (CWE-415)
Local: Yes
Remote: No

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: no mitigation known
0-Day Time: 🔒

Timeline

10/27/2018 CVE assigned
10/28/2018 Advisory disclosed
10/29/2018 VulDB entry created
10/29/2018 VulDB last update

Sources

CVE: CVE-2018-18718 (🔒)

Entry

Created: 10/29/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 217

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