CVE-2026-41244— Mojic: Observable Timing Discrepancy in HMAC Verification
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I. Basic Information for CVE-2026-41244
Vulnerability Information
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Vulnerability Title
Mojic: Observable Timing Discrepancy in HMAC Verification
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mojic is a CLI tool to transform readable C code into an unrecognizable chaotic stream of emojis. Prior to 2.1.4, the CipherEngine uses a standard equality operator (!==) to verify the HMAC-SHA256 integrity seal during the decryption phase. This creates an Observable Timing Discrepancy (CWE-208), allowing a potential attacker to bypass the file integrity check via a timing attack. This vulnerability is fixed in 2.1.4.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过时间差异性导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mojic 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mojic是Amit Dutta个人开发者的一款C语言代码混淆工具。 Mojic 2.1.4之前版本存在安全漏洞，该漏洞源于CipherEngine使用标准相等运算符验证HMAC-SHA256完整性密封，可能导致攻击者通过时序攻击绕过文件完整性检查。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| notamitgamer | mojic | < 2.1.4 | - |
II. Public POCs for CVE-2026-41244
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-208
- CVE-2026-41588
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V. Comments for CVE-2026-41244
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