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Kitploit
Kitploit
added 2026/09/15 9:09 a.m.6 views

CVE-2021-42574

CVE-2021-42574 - コード生成ツール // 更新: 2021.11.05 エンコードだけでなく、デコードも可能になりました。つまり、サポートされている雙方向文字(bidi chars)を含むファイルを、雙方向プレースホルダ(LRO など)を持つテンプレートファイルに変換できるようになりました。 最近公開された bidi 攻撃の脆弱性を利用して悪意のあるファイルを生成します。この脆弱性は Unicode 仕様で発見され、多くのインタプリタ / コンパイラに影響を与えます。 cve.mitre.org より引用: Unicode 仕様の雙方向アルゴリズム(Bidirection...

8.3CVSS7.2AI score0.12881EPSS
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Kitploit
Kitploit
added 2026/09/15 12:18 a.m.8 views

TrojanSourceFinder

TrojanSourceFinder TrojanSourceFinderは、ソースコード内の「Trojan Source」脆弱性を検出するのに役立ちます。 Trojan Source脆弱性により、攻撃者は悪意のあるコードを無害に見せかけることができます。一般的に、攻撃者は自らのコードを(視覚的に)コメントとして偽装して誘い込もうとします。多くの言語に関係するため、深刻な脅威です。複数の「信頼できない」ソースを持つプロジェクトが影響を受ける可能性があります。 悪を検出 🔎 · 悪を追跡 👀 · Trojan Source ❓ インストール goを使用 go install経由...

5.9AI score
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Kitploit
Kitploit
added 2026/09/14 11:21 p.m.6 views

bidi-guard

bidi-guard 目に見えない双方向 Unicode 文字をコードからスキャン 存在理由 目に見えない Unicode 双方向文字は、ソースコードを実行時とは異なる表示に することができます。これが CVE-2021-42574 — Trojan Source 攻撃です。 攻撃者はテキストの方向を反転させる文字を埋め込みます。コードレビューでは、こう見えます: root@kitploit: accesslevel = "admin" しかしコンパイラにはこう見えます: root@kitploit: accesslevel = "user"...

8.3CVSS7.2AI score0.12881EPSS
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Kitploit
Kitploit
added 2026/09/14 9:27 p.m.5 views

CVE-2021-42574

Trojan Source:見えない脆弱性 - コードジェネレータ — 簡単に言うと、この脆弱性は、コードの見た目がコンパイル時とは異なるというものです : この攻撃は、コメントや文字列に埋め込まれた制御文字を使用して、ソースコードの文字を並べ替え、そのロジックを変更するというものです。 例として、次のようなコードを考えてみましょう: if isAdmin / begin admins only / この脆弱性を悪用すると、コンパイル後には次のように変更できます: / if isAdmin begin admins only / 注記:ほとんどの言語が影響を受けますが、その中には rus...

8.3CVSS7AI score0.12881EPSS
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Kitploit
Kitploit
added 2026/09/13 9:34 p.m.10 views

nullorigin

NullOrigin 🛡️ ユニバーサルAI由来・透かしサニタイゼーションミドルウェア 研究用アーティファクト — 透かしロバスト性評価専用。 🔬 研究用のみ NullOrigin は研究用アーティファクトです。透かしロバスト性に関する学術的・独立的な研究を支援するために公開されており、それ以外の目的はありません。 透かし方式はセキュリティ上の主張であり、セキュリティ上の主張は、誰かがそれを破ろうと試みて初めて意味を持ちます。このプロジェクトが実装する文献 — KGW に関する Kirchenbauer ら、パラフレーズ攻撃に関する Krishna ら、Trojan Source に関する...

6AI score
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Kitploit
Kitploit
added 2026/09/12 3:05 a.m.7 views

unicode-control-characters-action

Unicode制御文字アクション Red Hat診断ツール https://access.redhat.com/security/vulnerabilities/RHSB-2021-007 を使用してUnicode制御文字を検出するGitHubアクション。RHSB-2021-007トロイの木馬ソース攻撃 CVE-2021-42574、CVE-2021-42694 を検出します。 入力 args 必須 スクリプトの引数は src/README.txt に文書化されています。 使用例 root@kitploit: name: Tests on: push: branches: - ''...

6AI score
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Tenable Nessus
added 2026/01/20 12:00 a.m.9 views

MiracleLinux 7 : binutils-2.27-44.base.el7.1 (AXSA:2021-2508:04)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2508:04 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS7.5AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.4 views

MiracleLinux 8 : gcc-toolset-10-annobin-9.29-1.el8.2, gcc-toolset-10-gcc-10.3.1-1.2.el8 (AXSA:2021-2881:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2881:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS7.4AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.7 views

MiracleLinux 8 : gcc-8.5.0-4.el8 (AXSA:2022-2957:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-2957:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS7.5AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.9 views

MiracleLinux 8 : annobin-9.72-1.el8.2 (AXSA:2022-2958:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-2958:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS7.3AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.12 views

MiracleLinux 8 : llvm-toolset:rhel8 (AXSA:2022-2984:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-2984:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS5.6AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.10 views

MiracleLinux 8 : gcc-toolset-11-annobin-9.85-1.el8.1, gcc-toolset-11-binutils-2.36.1-1.el8.1, gcc-toolset-11-gcc-11.2.1-1.2.el8 (AXSA:2021-2882:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2882:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS5.7AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/20 12:00 a.m.3 views

MiracleLinux 8 : binutils-2.30-108.el8.1 (AXSA:2022-2955:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-2955:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS7.4AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2026/01/19 12:00 a.m.5 views

MiracleLinux 8 : gcc-toolset-10-binutils-2.35-8.el8.6 (AXSA:2021-2879:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-2879:01 advisory. Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks CVE-2021-42574 The following changes were introduced ...

8.3CVSS8.4AI score0.12881EPSS
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Tenable Nessus
Tenable Nessus
added 2024/06/03 12:00 a.m.47 views

RHEL 8 : gcc (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - Developer environment: Homoglyph characters can lead to trojan source attack CVE-2021-42694 - The...

8.3CVSS8.1AI score0.06606EPSS
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Tenable Nessus
Tenable Nessus
added 2024/05/11 12:00 a.m.43 views

RHEL 8 : developer_environment (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - Developer environment: Homoglyph characters can lead to trojan source attack CVE-2021-42694 - An issue wa...

8.8AI score0.12881EPSS
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The Hacker News
The Hacker News
added 2023/03/24 1:40 p.m.6 views

Malicious Python Package Uses Unicode Trickery to Evade Detection and Steal Data

A malicious Python package on the Python Package Index PyPI repository has been found to use Unicode as a trick to evade detection and deploy an info-stealing malware. The package in question, named onyxproxy, was uploaded to PyPI on March 15, 2023, and comes with capabilities to harvest and...

7.2AI score
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The Hacker News
The Hacker News
added 2023/03/24 1:40 p.m.95 views

Malicious Python Package Uses Unicode Trickery to Evade Detection and Steal Data

A malicious Python package on the Python Package Index PyPI repository has been found to use Unicode as a trick to evade detection and deploy an info-stealing malware. The package in question, named onyxproxy, was uploaded to PyPI on March 15, 2023, and comes with capabilities to harvest and...

7.1AI score
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OSV
OSV
added 2022/02/28 3:04 p.m.21 views

CLSA-2022-1646060667 Fix of CVE: CVE-2021-42574, CVE-2018-20673

CVE-2021-42574: Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks 2008391 - CVE-2018-20673: libiberty: Integer overflow in demangletemplate function 1668394...

8.3CVSS6.9AI score0.12881EPSS
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OSV
OSV
added 2022/02/21 6:01 p.m.15 views

CLSA-2022-1645466518 Fix of CVE: CVE-2021-20284, CVE-2021-20197, CVE-2021-42574, CVE-2021-3487, CVE-2020-35448

CVE-2021-42574: Developer environment: Unicode's bidirectional BiDi override characters can cause trojan source attacks 2009172 - CVE-2021-20284: Heap-based buffer overflow in bfdelfslurpsecondaryrelocsection in elf.c 1961526 - CVE-2020-35448: Heap-based buffer overflow in bfdgetlsigned32 in...

8.3CVSS7AI score0.12881EPSS
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