VDB-122035 · CVE-2018-14453 · GCVE-0-2018-14453

libgig 4.1.0 helper.h store16 pData[1] memory corruption

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 marked as critical has been reported in libgig 4.1.0. Affected by this issue is the function store16 of the file helper.h. This manipulation of the argument pData[1] causes memory corruption. This vulnerability is registered as CVE-2018-14453. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in libgig 4.1.0 (Software Library) and classified as critical. Affected by this vulnerability is the function store16 of the file helper.h. The manipulation of the argument pData[1] with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the 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 overflow in pData[1] access in the function store16 in helper.h.

The bug was discovered 07/16/2018. The weakness was published 07/20/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-14453 since 07/20/2018. 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 4 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.

Similar entries are available at VDB-122031, VDB-122032, VDB-122033 and VDB-122034. Statistical analysis made it clear that VulDB provides the best quality 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
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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

07/16/2018 🔍
07/20/2018 +3 days 🔍
07/20/2018 +0 days 🔍
07/20/2018 +0 days 🔍
07/21/2018 +1 days 🔍
03/09/2020 +597 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-14453 (🔍)
GCVE (CVE): GCVE-0-2018-14453
GCVE (VulDB): GCVE-100-122035
See also: 🔍

Entryinfo

Created: 07/21/2018 09:51
Updated: 03/09/2020 08:49
Changes: 07/21/2018 09:51 (59), 03/09/2020 08:49 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.