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Writeup for CVE-2023-39143: PaperCut WebDAV Vulnerability

January 12, 2024 | ,

Introduction Back in Aug. 2023 we released an advisory for CVE-2023-39143, a critical vulnerability that affects Windows installs of the PaperCut NG/MF print management software. Attackers can exploit this vulnerability to download and delete arbitrary files, and in certain common configurations upload files, leading to remote code execution. This vulnerability was patched in PaperCut version 22.1.3 in July 2023. This...
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Apache Superset Part II: RCE, Credential Harvesting and More

September 6, 2023 | ,

Apache Superset is a popular open source data exploration and visualization tool. In a previous post, we disclosed a vulnerability, CVE-2023-27524, affecting thousands of Superset servers on the Internet, that enables unauthorized attackers to gain admin access to these servers. We also alluded to methods that an attacker, logged in as an admin, could use to harvest credentials and execute...
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CVE-2023-39143: PaperCut Path Traversal/File Upload RCE Vulnerability

August 4, 2023 | ,

Summary CVE-2023-39143 is a critical vulnerability we disclosed to PaperCut that affects the widely used PaperCut NG/MF print management software. It affects PaperCut NG/MF running on Windows, prior to version 22.1.3. If you are a user of PaperCut on Windows, and have it exposed to the Internet, we recommend you check out the July 2023 PaperCut security bulletin and immediately...
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CVE-2023-27524: Insecure Default Configuration in Apache Superset Leads to Remote Code Execution

April 25, 2023 | ,

Apache Superset is an open source data visualization and exploration tool. It has over 50K stars on GitHub, and there are more than 3000 instances of it exposed to the Internet. In our research, we found that a substantial portion of these servers – at least 2000 (two-thirds of all servers) – are running with a dangerous default configuration. As...
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CVE-2022-28219: Unauthenticated XXE to RCE and Domain Compromise in ManageEngine ADAudit Plus

June 29, 2022 |

CVE-2022-28219 is an unauthenticated remote code execution vulnerability affecting Zoho ManageEngine ADAudit Plus, a compliance tool used by enterprises to monitor changes to Active Directory. The vulnerability comprises several issues: untrusted Java deserialization, path traversal, and a blind XML External Entities (XXE) injection. This is a vulnerability that NodeZero, our autonomous pentesting product, has exploited to not only execute code...
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