Yayoi Kaikei msjet49.dll Search Path untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Yayoi Kaikei, Aoiro Shinkoku, Kyuuyo, Kyuuyo Keisan, Hanbai and Kokyaku Kanri. This affects an unknown function in the library msjet49.dll. This manipulation as part of Search Path causes untrusted search path. This vulnerability appears as CVE-2018-0623. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Yayoi Kaikei, Aoiro Shinkoku, Kyuuyo, Kyuuyo Keisan, Hanbai and Kokyaku Kanri. It has been declared as problematic. Affected by this vulnerability is some unknown processing in the library msjet49.dll. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Multiple Yayoi 17 Series products (Yayoi Kaikei 17 Series Ver.23.1.1 and earlier, Yayoi Aoiro Shinkoku 17 Ver.23.1.1 and earlier, Yayoi Kyuuyo 17 Ver.20.1.4 and earlier, Yayoi Kyuuyo Keisan 17 Ver.20.1.4 and earlier, Yayoi Hanbai 17 Series Ver. 20.0.2 and earlier, and Yayoi Kokyaku Kanri 17 Ver.11.0.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory. This flaw exists within the handling of msjet49.dll loaded by the vulnerable products.

The bug was discovered 07/20/2018. The weakness was presented 09/07/2018 (Website). It is possible to read the advisory at jvn.jp. This vulnerability is known as CVE-2018-0623 since 11/26/2017. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

See VDB-123704 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2017 🔍
07/20/2018 +235 days 🔍
09/07/2018 +48 days 🔍
09/07/2018 +0 days 🔍
09/08/2018 +1 days 🔍
03/21/2020 +560 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2018-0623 (🔍)
GCVE (CVE): GCVE-0-2018-0623
GCVE (VulDB): GCVE-100-123703
See also: 🔍

Entryinfo

Created: 09/08/2018 08:48
Updated: 03/21/2020 13:28
Changes: 09/08/2018 08:48 (59), 03/21/2020 13:28 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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