SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-35126

An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and "DocumentEditStyles" streams of Ichitaro 2023 1.0.1.59372 when processing types 0x0000-0x0009 of a style record with the type 0x2008.

HIGH 7.8EPSS 0.48%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and "DocumentEditStyles" streams of Ichitaro 2023 1.0.1.59372 when processing types 0x0000-0x0009 of a style record with the type 0x2008. A specially crafted document can cause memory corruption, which can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.48% probability · 40th percentile
CISA KEV
Not listed
Weakness
CWE-129, CWE-787
Affected
justsystems/easy postcard max · justsystems/ichitaro 2021 · justsystems/ichitaro 2022 · justsystems/ichitaro 2023 · justsystems/ichitaro government 10 · justsystems/ichitaro government 8 · justsystems/ichitaro government 9 · justsystems/ichitaro pro 3 · justsystems/ichitaro pro 4 · justsystems/ichitaro pro 5 · justsystems/just government 3 · justsystems/just government 4 · justsystems/just government 5 · justsystems/just office 3 · justsystems/just office 4 · justsystems/just office 5 · justsystems/just police 3 · justsystems/just police 4 · justsystems/just police 5
Source
talos-cna@cisco.com

References

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