Revive Adserver: Information Disclosure via “Add user” lookup in Account Management (User Access)

Version: ==revive-adserver 6.0.0== Flow Administrator Account ├── Management 1 │ ├── User A1 │ └── User A2 └── Management 2 ├── User B1 leak email, contacname └── User B2 leak email, contacname Summary: When a user under Management 1 navigates to User Access → Add user and enters a username, the...

curl: CURLX_SET_BINMODE(NULL) can call fileno(NULL) and cause undefined behavior / crash

Summary ------- Calling the CURLXSETBINMODEstream macro with stream == NULL leads to an unguarded call to filenoNULL in toolbinmode.h, which is undefined behavior and may crash the process. This is a robustness/UB issue and should be corrected by guarding against NULL streams before calling filen...

curl: curl’s persistence files inherit world-readable/writable perms from umask, leaking and tampering with cookies/HSTS/Alt-Svc caches

Executive Summary Curlfopen clones the permissions of any pre-existing persistence file when creating its temporary file. When the persistence file does not exist, it first creates one with the process umask typically 022, i.e., 0644. That mode is then copied to the temp file via 0600 | sb.stmode...

Revive Adserver: Stored XSS in Conversion Statistics via Tracker Name

I found stored XSS on the conversion statistics page. Advertisers can inject malicious JavaScript through tracker names, which executes when admins view conversion reports www/admin/stats-conversions.php:356. I was able to steal admin session cookies using this vulnerability. This is a privilege...

Nextcloud: Credential Disclosure via Unvalidated directDownloadUrl (Missing DontAddCredentialsAttribute)

The Nextcloud Desktop Client was found to automatically include user credentials Authorization header with username and password in Base64 when downloading files via the "directDownloadUrl" feature. This allowed a malicious Nextcloud server to specify an attacker-controlled URL, causing the clien...

Discourse: Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint

A Denial of Service DoS vulnerability was identified in the /drafts.json endpoint on the Discourse forum. Large payloads around 800,000 characters or more submitted to create drafts caused the server to process the request, return a 502 Bad Gateway error, but still save the draft. Submitting...

Revive Adserver: Stored XSS on inventory-retrieve.php

A Cross-site Scripting XSS vulnerability was discovered on the inventory-retrieve.php and campaign-edit.php pages. The vulnerability allowed an attacker to inject malicious code that would be executed when the page was loaded...

curl: Integer Overflow to Heap Overflow in DoH Response Handling

Summary: An integer overflow vulnerability exists in the dohprobewritecb function in lib/doh.c. This function is used as a write callback for DNS-over-HTTPS DoH responses. When a malicious DoH server sends a response with a crafted size, the multiplication of size and nmemb can overflow. This lea...

Revive Adserver: Improper sanitisation of input in the settings could cause DoS

A vulnerability was found in the settings functionality of the application where attacker-controlled values in the emailfromName and emailfromCompany fields were persisted and later rendered to pages without proper output encoding. This could have led to the execution of arbitrary JavaScript in t...

Revive Adserver: Reflected XSS in account-preferences-plugin.php

A reflected cross-site scripting RXSS vulnerability was discovered in revive-adserver-6.0.1/www/admin/account-preferences-plugin.php via the group query parameter. Untrusted input was reflected without proper output encoding or context-aware escaping, allowing injection of JavaScript into the...

Nextcloud: Improper input validation On Exported deep-link handler crashes `FileDisplayActivity` on crafted external URL — Denial-of-Service

A vulnerability was discovered in the Nextcloud Android client application where improper input validation in the exported deep-link handler caused a null dereference in the FileDisplayActivity component. This resulted in an unhandled NullPointerException and application crash when the deep-link...

Revive Adserver: Authorization bypass allows changing email address of other users

The Revive Adserver 6.0.0 was found to have an authorization bypass vulnerability that allowed changing the email address of other users without requiring the account password. The vulnerability was present in the admin panel endpoint /admin/agency-user.php, which accepted a POST request that...

curl: libcurl MQTT PUBLISH length overflow (heap overflow)

Summary: Heap-based buffer overflow in libcurl’s MQTT PUBLISH assembly lib/mqtt.c::mqttpublish due to unchecked sizet arithmetic when computing the MQTT “Remaining Length”. If payloadlen + 2 + topiclen wraps sizet, libcurl allocates a too-small buffer and then memcpy’s payloadlen bytes into it,...

curl: Use of Deprecated strcpy() with User-Controlled Environment Variable in Memory Debug Initialization

Discovery Method Step 1: Initial Security Scan Find all files using dangerous string functions find src/ -name ".c" -exec grep -l "strcpy|strcat|sprintf|gets" ; OUTPUT: src/toolprogress.c src/toolmain.c Step 2: Locate Vulnerable Code in Main.c Find exact strcpy usage in toolmain.c grep -n...

Revive Adserver: Error-Based & Time-Based SQL Injection in 'keyword' Parameter of admin-search.php Allowing Full Database Access in Revive Adserver v6.0.0

==Cricetinae== Summary: A critical SQL Injection vulnerability has been identified in Revive Adserver's administrative search functionality, specifically in the admin-search.php file. The vulnerability exists in the handling of the keyword GET parameter, which is passed to multiple database queri...

curl: Use of Deprecated strcpy() with Fixed-Size Buffers in Progress Time Formatting

Step 2: Locate Vulnerable Code in Progress.c Find exact strcpy usage in toolprogress.c grep -n "strcpy" ./src/toolprogress.c OUTPUT: 94: strcpyr, "--:--:--"; Step 3: Analyze the Vulnerable Function View complete time2str function sed -n '/^static void time2str/,/^/p' ./src/toolprogress.c Vulnerab...

Rocket.Chat: SSRF via improper validation after DNS name resolution in the link-preview feature

The link-preview feature in Rocket.Chat version 7.11.0 did not properly validate the IP address after DNS resolution. This allowed an attacker to obtain a domain that pointed to an internal IP address, triggering SSRF and enabling access to internal hosts that would otherwise be unreachable...

curl: Memory leak in Curl_auth_create_ntlm_type3_message

Summary: When handling NTLMv2, if the decoded type-2 “TargetInfo” is large enough that ntresplen+headersize exceeds NTLMBUFSIZE 1024, the code returns early without freeing ntlmv2resp, causing a memory leak...

curl: Buffer Overflow in WebSocket Handshake (lib/ws.c:1287)

Summary: Buffer overflow vulnerability in curl's WebSocket implementation due to unsafe use of strcpy in the handshake process. The vulnerability is located at lib/ws.c:1287 where strcpykeyval, randstr is called without proper bounds checking, despite having a bounds check earlier in the code. AI...

Node.js: fs.futimes() Bypasses Read-Only Permission Model

A flaw in Node.js's permission model was discovered that allowed a file's access and modification timestamps to be changed via futimes even when the process had only read permissions. Unlike utimes, futimes did not apply the expected write-permission checks, which meant file metadata could be...