VDB-125167 · CVE-2018-18196 · GCVE-0-2018-18196

libgig 4.1.0 RIFF.cpp GetListTypeString out-of-bounds

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in libgig 4.1.0. It has been rated as critical. This impacts the function RIFF::List::GetListTypeString of the file RIFF.cpp. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2018-18196. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in libgig 4.1.0 (Software Library) and classified as critical. Affected by this vulnerability is the function RIFF::List::GetListTypeString of the file RIFF.cpp. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in libgig 4.1.0. There is a heap-based buffer over-read in RIFF::List::GetListTypeString in RIFF.cpp.

The bug was discovered 10/08/2018. The weakness was disclosed 10/09/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-18196 since 10/09/2018. 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 1 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-125163, VDB-125164, VDB-125165 and VDB-125166 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Software Library

Name

libgig

Version

4.1.0

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/08/2018 🔍
10/09/2018 +0 days 🔍
10/09/2018 +0 days 🔍
10/09/2018 +0 days 🔍
10/10/2018 +1 days 🔍
04/01/2020 +539 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-18196 (🔍)
GCVE (CVE): GCVE-0-2018-18196
GCVE (VulDB): GCVE-100-125167
See also: 🔍

Entryinfo

Created: 10/10/2018 13:16
Updated: 04/01/2020 11:56
Changes: 10/10/2018 13:16 (58), 04/01/2020 11:56 (1)
Complete: 🔍
Cache ID: 216::103