libgig 4.1.0 helper.h store16 pData[0] out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in libgig 4.1.0 and classified as critical. The impacted element is the function store16 of the file helper.h. This manipulation of the argument pData[0] causes out-of-bounds write. This vulnerability is handled as CVE-2018-14459. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in libgig 4.1.0 (Software Library). Affected by this vulnerability is the function store16 of the file helper.h. The manipulation of the argument pData[0] with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes 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 an out-of-bounds write in pData[0] access in the function store16 in helper.h.

The bug was discovered 07/16/2018. The weakness was released 07/20/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-14459 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 are known, but no exploit is available.

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. The vulnerability scanner Nessus provides a plugin with the ID 255154 (Linux Distros Unpatched Vulnerability : CVE-2018-14459), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (255154). Entries connected to this vulnerability are available at VDB-122031, VDB-122032, VDB-122033 and VDB-122034. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 255154
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2018-14459

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 🔍
08/27/2025 +2594 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-14459 (🔍)
GCVE (CVE): GCVE-0-2018-14459
GCVE (VulDB): GCVE-100-122041
See also: 🔍

Entryinfo

Created: 07/21/2018 09:54
Updated: 08/27/2025 05:17
Changes: 07/21/2018 09:54 (59), 03/09/2020 09:15 (1), 08/27/2025 05:17 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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