Cyber Resilience

CVE-2023-35126

HighPublic PoC

Published: 19 October 2023

Published
19 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0016 36.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-35126 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability in Justsystems Easy Postcard Max. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 36.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

justsystems
easy postcard max
all versions
justsystems
ichitaro 2021
all versions
justsystems
ichitaro 2022
all versions
justsystems
ichitaro 2023
1.0.1.59372
justsystems
ichitaro government 10
all versions
justsystems
ichitaro government 8
all versions
justsystems
ichitaro government 9
all versions
justsystems
ichitaro pro 3
all versions
justsystems
ichitaro pro 4
all versions
justsystems
ichitaro pro 5
all versions
+9 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References