mstdlib 1.2.0 fs/m_fs.c M_fs_perms_can_access access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability was found in mstdlib 1.2.0. It has been classified as critical. The affected element is the function M_fs_perms_can_access of the file fs/m_fs.c. Performing a manipulation results in access control. This vulnerability was named CVE-2018-14043. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in mstdlib 1.2.0. This affects the function M_fs_perms_can_access of the file fs/m_fs.c. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

mstdlib (aka the M Standard Library for C) 1.2.0 has incorrect file access control in situations where M_fs_perms_can_access attempts to delete an existing file (that lacks public read/write access) during a copy operation, related to fs/m_fs.c and fs/m_fs_path.c. An attacker could create the file and then would have access to the data.

The bug was discovered 07/12/2018. The weakness was presented 07/13/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-14043 since 07/13/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / CWE-266
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

07/12/2018 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
04/09/2023 +1731 days 🔍

Sourcesinfo

Advisory: db124b8f607dd0a40a9aef2d4d468fad433522a7
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14043 (🔍)
GCVE (CVE): GCVE-0-2018-14043
GCVE (VulDB): GCVE-100-121413

Entryinfo

Created: 07/14/2018 01:05
Updated: 04/09/2023 08:46
Changes: 07/14/2018 01:05 (56), 03/04/2020 17:44 (2), 04/09/2023 08:46 (5)
Complete: 🔍
Cache ID: 216::103

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