Nextcloud: [nextcloud/server] Moment.js vulnerable to Inefficient Regular Expression Complexity

Describe the bugs: 🐛 moment is a lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates. affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the preprocessRFC2822 function in from-string.js, when processing a...

GitLab: RCE via the DecompressedArchiveSizeValidator and Project BulkImports (behind feature flag)

Summary The DecompressedArchiveSizeValidator is used to check the size of a archive before extracting it: https://gitlab.com/gitlab-org/gitlab/-/blob/v15.1.0-ee/lib/gitlab/importexport/decompressedarchivesizevalidator.rbL82 ruby def command "gzip -dc @archivepath | wc -c" end def validate pgrp =...

curl: --libcurl code injection via trigraphs

Summary: curl command --libcurl option can be tricked to generate C code that when compiled contains arbitrary code execution. Steps To Reproduce: 1. curl --libcurl client.c --user-agent "??/";char c='i','d',' ','','x',0,m='r',0;fclosepopenc,m;//" http://example.invalid 2. gcc -trigraphs client.c...

Nextcloud: SMTP Command Injection in iCalendar Attachments to Emails via Newlines

Note: This is similar to 1509216, but has a new source/attack vector. Apologies for not picking this up earlier. Summary: When users receive iCalendar attachments in Mail, there is an option to add it to their calendar: ██████████ Once they add it to calendar, a PUT request is sent: PUT...

lemlist: Security misconfiguration

Description : When we request a magic link to login into the application, and use that same link in multiple browsers, it working there isn't any limit on use of link. Steps to reproduce : 1. go to app.lemilist.com 2. create a magic link 3. use it to login 4. now open another browser or incognito...

GitLab: Container escape on public GitLab CI runners

Summary It is possible to circumvent the isolation in place for build jobs running on public CI runners by escaping the docker container running the build job. This is possible via abuse of the cgroup releaseagent functionality, made possible by CI jobs being allowed to mount filesystems inside t...

GitHub Security Lab: [GO] CWE-1004: Sensitive cookie without HttpOnly

This bug was reported directly to GitHub Security Lab...

DuckDuckGo: Reflected/Stored XSS on duckduckgo.com

Hi DuckDuckGo, While browsing normally since I use DuckDuckGo on a daily basis, I discovered an interesting stored XSS on the duckduckgo main search engine. A payload that somebody had left on urbandictionary.com had triggered a HTML injection, and a stored XSS as a result. Steps to Reproduce 1...

U.S. Dept Of Defense: Self XSS + CSRF Leads to Reflected XSS in https://████/

Hi Security Team, The form inputs in https://███/ Vulnerable to Self XSS Either the form was vulnerable to CSRF When these two bugs available and attacker could combine them to Perform a Reflected XSS Attack Impact Reflected XSS Execute JS Code in behave of a user System Hosts █████████ Affected...

WordPress: Privilege Escalation via REST API to Administrator leads to RCE

Kien Hoang reported a privilege escalation vulnerability in the BuddyPress REST-API. Through this issue, if registrations for new users is enabled, a non-admin user can gain administrator access on the site. The administrator access can then lead to remote code execution, as admins have the right...

Ruby: Round-trip instability in REXML

Submitted previously via email to [email protected] due to REXML not being listed under in-scope assets here. Explicitly requested by @hsbt to re-submit through HackerOne. CVSS rating calculated based on confirmed downstream impact. --- Hi Ruby Security Team, I'm reaching out to you to repor...

Revive Adserver: Reflected XSS on /admin/campaign-zone-zones.php

I found a reflected XSS attack on /admin/campaign-zone-zones.php. Revive-Adserver version is revive-adserver-5.1.1. - Go to http://revive-adserver.loc/admin/campaign-zone-zones.php?=&clientid=1&campaignid=1&status=available%22%3E%3Cimg%20src=1%20onerror=alertdocument.domain%3E&text= - Malicious...

Nextcloud: Two-factor authentication enforcement bypass

the attacker could bypass the two-factor authentication enforcement Steps to reproduce 1. Login with an Administrator account. 2. Click on your administrator profile icon. 3. Users - Add group - group name: Enforcement. 4. New User - Username: Bypass - Password: NextCloudEnforcement - Add User in...

Mail.ru: unclaimed subdomain special.rkeeper.ru to takeover from tilda.cc

Domain, site, application -- http://special.rkeeper.ru/ Testing environment -- OS version, browser information, settings and prerequisites to reproduce vulnerability, testing tools used, etc Steps to reproduce: 1. create account on tilda.cc 1. create a aproject then a domain will be assigned to...

CS Money: Application DOS via specially crafted payload on 3d.cs.money

Summary: Hello Team, While testing it was observed that on 3d.cs.money a DOS is possible via specially crafted request using only single request from single machine on search bar. Though I am aware of the Out of Scope policy "Any activity that could lead to the disruption of our service DoS", thi...

Node.js third-party modules: [json8-merge-patch] Prototype Pollution

I would like to report a Prototype Pollution vulnerability in json8-merge-patch The apply function fails to restrict access to prototypes of objects, allowing for modification of prototype behavior. Module module name: json8-merge-patch version: v1.0.1 npm page:...

GitLab: Full Read SSRF on Gitlab's Internal Grafana

Apparently, Grafana is bundled with Gitlab by default. So the grafana instance that is accessible via /-/grafana/is vulnerable to the SSRF outlined below. Summary By chaining together some redirects and a URL decoding bug, it is possible to achieve a full-read, unauthenticated, SSRF from your...

Topcoder: CSRF on https://apps.topcoder.com/wiki/plugins/socialbookmarking/updatebookmark.action

Summary: Hi : There is a CSRF on creating bookmarks form. Steps To Reproduce: There is no CSRF token or anything like that on https://apps.topcoder.com/wiki/plugins/socialbookmarking/updatebookmark.action. I added the poc html file below. When someone opens this html file, or we can add it into o...

Nord Security: The Linux binaries (nordvpn and nordvpnd) don't use PIE/ASLR

Summary: The Linux binaries nordvpn and nordvpnd don't have PIE/ASLR enabled. A such feature is used to harden programs against the exploitation of memory corruption bugs and should be enabled. The use of ASLR has long been debated among the Golang community. However, it seems that it's becoming...

X (Formerly Twitter): User input validation can lead to DOS

Hi Security Team, Summary: There is no limit to the number of characters on phone numbers and using this you can perform a DOS Attack Description: On the input form of phone number in https://twitter.com/account/complete there's no Input validation using this you can send more payload and may cau...

Mail.ru: Blind SQL Injection in city-mobil.ru domain

Error-based SQLi due to insecure use of POST paramter in city-mobil.ru the report was submitted before the launch of dedicated bug bounty scope for Citymobil...

Vend VDP: Open Redirect in the Path of vendhq.com

Summary: There is an open redirection vulnerability in the path of https://www.vendhq.com/ Description: An attacker can redirect anyone to malicious sites. Steps To Reproduce: Type in this URL: https://www.vendhq.com//evil.com/ As, you can see it redirects to that website when you inject this...

Ed: Domain takeover on http://doesfranshaveashell.com/ due to expiration

Summary Hi Ed, I'm not so sure if registrar inform your domain had expired or it will auto renew upon reaching. To be safe, I decide to manual inform you. Step to Reproduce So lately I notice that http://doesfranshaveashell.com/ is no longer operate. It will show some advertisements there. F57967...

Shopify: DOM XSS via Shopify.API.remoteRedirect

hi, team, after I read the report 422043, I found another monitor postmessage, and did not correctly verify the origin, leading to dom xss, using the store theme can write js this feature, we can modify a theme for the following Payload, function attack var...

Central Security Project: Pippo XML Entity Expansion (Billion Laughs Attack)

Maven artifact groupId: ro.pippo artifactId: pippo-jaxb version: 1.12.0 Vulnerability Vulnerability Description Pippo unsafely parses user provided XML. The fromString in the ro.pippo.jaxb.JaxbEngine class allows user provided DTDs that the rest of the XML may reference. This can lead to recursiv...

Internet Bug Bounty: heap buffer overflow in phar_detect_phar_fname_ext

The original report is here https://bugs.php.net/bug.php?id=77247 txt USEZENDALLOC=0 ./php-src-PHP-7.2.13/sapi/cli/php -r "vardumpnew Pharfilegetcontents'poc.phar',0,'test.phar';" txt ================================================================= ==44888==ERROR: AddressSanitizer:...

Valve: RCE on Steam Client via buffer overflow in Server Info

Introduction In Steam and other valve games CSGO, Half-Life, TF2 there is a functionality to find game servers called the server browser. In order to retrieve the information about these servers the server browser communicates with a specific UDP protocol called server queries. The protocol is we...

Vanilla: Vanilla Forums domGetImages getimagesize Unserialize Remote Code Execution Vulnerability (critical)

Summary: An unauthenticated attacker can inject an serialized payload into a phar archive and trigger read access to it via an unprotected getimagesize. The attacker can leverage this to deserialize untrusted data and gain remote code execution. Notes: - THIS BUG IS UNAUTHENTICATED, however you...

Zomato: IDOR to delete images from other stores

Summary: The parameter photoids in below request is vulnerable to IDOR /php/clientmanagehandler?██████████&case=remove-active-photo Description: Since there is no check for resid or ownership I was able to delete Gerben's image by just using the photoid from his store. This is a problem because i...

Internet Bug Bounty: Int Overflow lead to Heap OverFlow in exif_thumbnail_extract of exif.c

This bug was reported to PHP last month and a fix was public last week:https://bugs.php.net/bug.php?id=76423 Heap OverFlow in exifthumbnailextract of exif.c This vulnerability can be triggered by exifreaddata in any 32-bit system. exif.c:2947: if ImageInfo-Thumbnail.offset +...

Semrush: CORS (Cross-Origin Resource Sharing)

Affected URL: https://ta.semrush.com/version/ Description: The application implements an HTML5 cross-origin resource sharing CORS policy for this request which allows access from any domain. Allowing access from all domains means that any domain can perform two-way interaction with the applicatio...

Electroneum: Hackerone [Mainsite Vulnerability]

96 Hello, I was checking out the website Electroneum – Crowdfunding Token Sale – Electroneum – the mobile based cryptocurrency for any vulnerabilities through hackerone. I would like to submit a vulnerability for consideration towards a bounty. Currently you have the file...

Valve: LFI in pChart php library

Local File Inclusion LFI vulnerability in the pChart php library...

Gratipay: Reflected SQL Execution

my friend are the best hackers hackerone.com/rashidziaur hackerone.com/smziaurrashid hackerone.com/s4k16 they teach me how to hack a toaster F234731 Please Giv us $$$$$ for our family we are pooor . please consider this bug in your site F234733...

Snapchat: Subdomain Takeover via Unclaimed WordPress site

@ysx found a bitstripsforschools CNAME entry pointing to an unclaimed WordPress domain, which could be taken over by an external party. The CNAME entry was for a product that is no longer active. An unclaimed WordPress domain mapping upgrade could be leveraged to assume the...

WakaTime: Running 2 accounts with a single email

Hi, While testing, I found a logic flaw which made me to make two accounts with a single email Reproduction Steps 1-Create one account with [email protected] 2-another with [email protected] or [email protected] etc 3-Emails of both accounts will come at [email protected] fix: Dont allow "+" in emails. Thank...

Internet Bug Bounty: Excessive allocation of memory in dtls1_preprocess_fragment() (CVE-2016-6308)

This issue is very similar to CVE-2016-6307. The underlying defect is different but the security analysis and impacts are the same except that it impacts DTLS. A DTLS message includes 3 bytes for its length in the header for the message. This would allow for messages up to 16Mb in length. Message...

Internet Bug Bounty: DoS vulnerability in mod_auth_digest CVE-2016-2161

Malicious input to modauthdigest will cause the server to crash, and each instance continues to crash even for subsequently valid requests. http://httpd.apache.org/security/vulnerabilities24.html...

Uber: Authentication Issue for easter egg on bonjour.uber.com

This probably ok, almost definitely is just informative but thought I would throw it out here anyways. : bonjour.uber.com hosts an easter egg view source and scroll down where the passcode is insecurely stored as a javascript variable. The source for the easter egg is: html //error easter egg -...

Internet Bug Bounty: Padding oracle in AES-NI CBC MAC check (CVE-2016-2107)

Advisory: https://www.openssl.org/news/secadv/20160503.txt Writeup Referencing a proof of concept: http://web-in-security.blogspot.de/2016/05/curious-padding-oracle-in-openssl-cve.html...

QIWI: Session Cookie without HttpOnly and secure flag set

vulnerable URL:https://portal.int.qiwi.com/login.php The PHPSESSID cookie does not have the HTTPOnly flag set. When a cookie is set with the HTTPOnly flag, it instructs the browser that the cookie can only accessed by the server and not by client-side scripts. This is an important security...

Internet Bug Bounty: Dangling pointer in the unserialization of ArrayObject items

https://bugs.php.net/bug.php?id=70068...

Udemy: Misconfigured SPF Record Flag

Hello Team , Description : this report is about misconfigured spf record flag , which can be use to abuse the organization by posing the identity , which allowing to fake mailing on behalf of respected organization . About the Issue : as i seen the SPF and TXT record for the Udemy.com which is :...

X (Formerly Twitter): XSS in twitter.com/safety/unsafe_link_warning

The following page has XSS. https://twitter.com/safety/unsafelinkwarning?unsafelink=vulnerableparam Steps to reproduce: 1. Go to the following URL using IE:...

Localize: Business logic Failure - Browser cache management and logout vulnerability.

Vulnerability class: Business logic Failure - Browser cache management and logout vulnerability. Vulnerability impact: Logging out from an application does not clear the browser cache of any sensitive information that have been stored. Steps to reproduce: 1. Login to portal. 2.browse few tabs 3...

ReddAPI: No Captcha or rate limit on Login Page

Hello ReddApi Security Team, Vulnerability Detail's:- Login page can be brute forced due to lack of captcha or backoff Impact:- An attacker can bruteforce for a particular username and can get a possibly a account takeover. POC:- I have made a proof of concept video of the same:-...

DuckDuckGo: RCE + Supply Chain Attack via pull_request_target in content-scope-scripts/semver-label.yml — Affects All DuckDuckGo Browsers

A vulnerability was discovered in the DuckDuckGo content-scope-scripts repository's GitHub Actions workflow. The workflow used the pullrequesttarget trigger without access controls, allowing untrusted code from fork pull requests to be checked out and executed. This could have led to remote code...

curl: Path Traversal Bypass in file:// URLs Due to Incomplete URL-Encoded Path Normalization

Summary: The dedotdotify function in lib/urlapi.c is responsible for removing path traversal sequences ../ and ./ from URLs according to RFC 3986. However, the function only recognizes literal forward slashes / when identifying path segments and does not handle URL-encoded slashes %2f or %2F. Thi...

Khan Academy: Leaked reused password for a few Khan Academy users

A large number of Khan Academy user credentials, including emails and passwords, were exposed through a Telegram bot. The exact source of the leaked data is unknown, but the volume of exposed information was substantial...

curl: CVE-2024-6874: macidn punycode buffer overread

The libcurl at commit 58772b0e082eda333e0a5fc8fb0bc7f17a3cd99c contained a stack-buffer overread in the function macidntoascii that could be triggered when the host of a URL was converted to punycode. The root cause was in the function uidnanameToASCIIUTF8, which left the output buffer unterminat...