SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-36344

An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others.

CRITICAL 9.8EPSS 0.85%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file may be executed with the privilege of the Windows service if it is placed in a certain path. Affected products are bundled with the following product series: Office and Office Integrated Software, ATOK, Hanako, JUST PDF, Shuriken, Homepage Builder, JUST School, JUST Smile Class, JUST Smile, JUST Frontier, JUST Jump, and Tri-De DetaProtect.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.85% probability · 56th percentile
CISA KEV
Not listed
Weakness
CWE-428
Affected
justsystems/atok medical 2 · justsystems/atok medical 3 · justsystems/atok pro 3 · justsystems/atok pro 4 · justsystems/atok pro 5 · justsystems/hanako police 5 · justsystems/hanako police 6 · justsystems/hanako police 7 · justsystems/hanako pro 3 · justsystems/hanako pro 4 · justsystems/hanako pro 5 · justsystems/homepage builder 20 · justsystems/homepage builder 21 · justsystems/homepage builder 22 · justsystems/ichitaro government 10 · justsystems/ichitaro government 8 · justsystems/ichitaro government 9 · justsystems/ichitaro pro 3 · justsystems/ichitaro pro 4 · justsystems/ichitaro pro 5 · +40 more
Source
vultures@jpcert.or.jp

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.