liblnk up to 2018-04-19 lnk File liblnk_data_block.c liblnk_data_block_read out-of-bounds ⚔ [Disputed]

CVSS Meta Temp Score
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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.
6.1$0-$5k0.00

A vulnerability was found in liblnk up to 2018-04-19 and classified as critical. Affected by this issue is the function liblnk_data_block_read of the file liblnk_data_block.c of the component lnk File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The liblnk_data_block_read function in liblnk_data_block.c in liblnk through 2018-04-19 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via a crafted lnk file.

The bug was discovered 06/12/2018. The weakness was shared 06/19/2018 as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability is handled as CVE-2018-12098 since 06/11/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

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

The entries VDB-119712 and VDB-119713 are related to this item.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/11/2018 🔍
06/12/2018 +1 days 🔍
06/19/2018 +6 days 🔍
06/19/2018 +0 days 🔍
06/20/2018 +1 days 🔍
08/05/2024 +2238 days 🔍

Sourcesinfo

Advisory: 33
Status: Not defined
Disputed: 🔍

CVE: CVE-2018-12098 (🔍)
See also: 🔍

Entryinfo

Created: 06/20/2018 01:32 PM
Updated: 08/05/2024 01:11 PM
Changes: 06/20/2018 01:32 PM (59), 02/20/2020 03:46 PM (1), 03/28/2023 09:26 AM (3), 08/05/2024 01:11 PM (28)
Complete: 🔍
Cache ID: 18:C3B:40

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