lemlist: Authentication Bypass in Subscription Management Endpoint

A vulnerability was identified in the subscription management functionality that allowed unauthorized access to customer billing information. The issue stemmed from insufficient authentication and authorization controls on an API endpoint. The vulnerability was classified as an Insecure Direct...

curl: libcurl MQTT `CURLOPT_POSTFIELDSIZE_LARGE` overflow leads to immediate DoS

Summary An attacker can crash or forcefully abort any application that uses libcurl's MQTT support by setting an excessively large value for CURLOPTPOSTFIELDSIZELARGE. The MQTT publish logic lib/mqtt.c::mqttpublish trusts this value without validating it against the protocol's maximum remaining...

curl: SMTP CRLF Command Injection in CURLOPT_MAIL_FROM and CURLOPT_MAIL_RCPT

libcurl's SMTP implementation accepts CR \r and LF \n bytes in mailbox address inputs without validation. These control characters are inserted directly into SMTP commands, allowing attackers to inject arbitrary SMTP protocol commands. This enables envelope manipulation, adding unauthorized...

U.S. Dept Of Defense: DNN - Unrestricted Arbitrary File Upload #████████

A vulnerability was discovered in versions of DNN formerly DotNetNuke prior to 10.1.1. The vulnerability was caused by the default HTML editor provider allowing unauthenticated file uploads and overwriting of existing files. This could have led to website defacement and cross-site scripting attac...

Revive Adserver: Unrestricted setPerPage allows huge result sets / resource exhaustion / mass log retrieval

Description: The setPerPage query parameter controls pagination for the log viewer but is not validated or capped on the server. An attacker can supply an extremely large numeric value for example setPerPage=100000000000000000 and the application will attempt to honor that value when building the...

Revive Adserver: Username normalization missing allows visually indistinguishable accounts (Whitespace-Based Impersonation)

Version: ==revive-adserver 6.0.2== Summary: Revive Adserver allows creation of usernames containing leading or trailing whitespace e.g. "admin" or " admin". The UI does not visibly differentiate such usernames from admin, producing visually identical accounts. This can be used to impersonate...

Revive Adserver: Stored-XSS in campaign name displayed in Banners modal

Description: A low-privilege authenticated user can create or edit advertiser/campaign names containing HTML/JavaScript. Those values are stored in the application and later rendered without proper HTML escaping in the admin Inventory → Banners advertiser/campaign picker. When an administrator...

Remote code execution via transformers_utils/get_config

This report is not public...

curl: HackerOne

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curl: Directory Traversal Vulnerability in cURL via Content-Disposition Header Processing

Vulnerability Description The parsefilename function in src/toolcbhdr.c does not adequately validate and sanitize filenames extracted from HTTP Content-Disposition headers, allowing directory traversal attacks when the -O remote-name and -J remote-header-name options are used together. Vulnerable...

curl: curl built with GnuTLS backend defaults to weak crypto parameters

Summary: Curl configured with GnuTLS backend --with-gnutls defaults using "NORMAL" as the base level of the library cryptographic security. From GnuTLS documentation: The message authenticity security level is of 64 bits or more, and the certificate verification profile is set to GNUTLSPROFILELOW...

curl: Buffer over-read,, Missing NUL termination in addvariable() causes undefined behavior

Summary: In addvariable used by setvariable, the code allocates memory for p-name without space for a null-terminator and copies nlen bytes directly. Later, functions like varcontent call strlen on this name, assuming it is null-terminated. This can lead to out-of-bounds memory reads, causing...

Node.js: Timeout-based race conditions make Uint8Array/Buffer.alloc non-zerofilled

A flaw in Node.js's buffer allocation logic was discovered, where buffers allocated with Buffer.alloc and other TypedArray instances like Uint8Array may contain leftover data from previous operations under specific timing conditions...

Revive Adserver: Stored-XSS in Banner Name field

Version: ==revive-adserver 6.0.0== Summary: A stored Cross-Site Scripting XSS vulnerability exists in the Banner → Name field. An attacker can create or edit a banner with a malicious payload in the Name field; that payload is stored and later executed in the browser of users who were added to th...

curl: SOCKS5 Heap Buffer Overflow via Malicious HTTP Redirect with Oversized Hostname

Summary: A heap-based buffer overflow vulnerability exists in curl's SOCKS5 proxy handshake implementation when processing HTTP redirects containing hostnames exceeding 255 characters. When curl is configured to use SOCKS5 with hostname resolution socks5h:// scheme and follows an HTTP redirect to...

curl: Logical Flaw in curl_url_set Leads to Inconsistent Query Parameter Encoding

Hello curl security team, First, thank you for your incredible work on maintaining such a critical and robust piece of software. We have been conducting a deep-dive source code audit of libcurl and believe we have identified a subtle logical flaw in the curlurlset API that has security...

Revive Adserver: Reflected XSS in /admin/banner-zone.php (v6.0.0+)

Description: A Reflected Cross-Site Scripting Reflected XSS vulnerability. User-supplied input from the banner search fields "Website" is reflected into the page without proper context-aware encoding Step: 1. When I create Banners, I click it and click 'Linked Zones'. At that, I insert payload...

Revive Adserver: Information Disclosure via Verbose Error Messages

Version: ==revive-adserver 6.0.0== Summary: Revive Adserver v6.0.0 exposes sensitive technical details through verbose error messages, revealing the exact MySQL/MariaDB version, SQL queries, and PHP environment details. Attackers can use this information to identify known vulnerabilities or craft...

Revive Adserver: IDOR Vulnerability in Banner Deletion

Summary I found an IDOR vulnerability in Revive Adserver's banner deletion endpoint that lets any Manager delete banners belonging to other Managers. The code validates access to the parent campaign but doesn't check if the user owns the specific banner being deleted. This means Manager A can...