U.S. Dept Of Defense: Web Cache Poisoning on █████

Description: The web application https://████████ uses a web cache to more efficiently serve its pages to the users. An attacker can send a malformed request which the server caches the response of and sends it to the users. Impact An attacker can alter the web cache, making the web application...

MTN Group: Cross-Site Request Forgery (CSRF) to xss

hello dear support i have found csrf to xss on https://dailydeals.mtn.co.za/index.cfm?GO=DEALS URL:https://dailydeals.mtn.co.za/index.cfm?GO=DEALS URL encoded POST input CFID was set to fbe8c86c-c0b2-4421-8ca2-dcfc14763d6e" HTTP request ============ POST /index.cfm?GO=DEALS HTTP/1.1 Host:...

Zomato: Subdomain takeover of fr1.vpn.zomans.com

Summary fr1.vpn.zomans.com points to an AWS EC2 instance at 52.47.57.107 that no longer exists. I was able to take control of this IP address and run my own EC2 instance. I can now serve content on this domain, obtain a TLS certificate for this domain, etc. If any customers or servers are pointin...

Reddit: Vulnerability Name: URL Redirection / Unvalidate Open Redirect

Summary: visit this URL it will redirect you to http://bing.com. https://reviewnic.com/redirect.php?url=http://bing.com. Note: Attacker could change http://bing.com to http://evilsite-of-attacker.com and hence can steal user credentials. Impact: URL Redirection or Invalidate Open Redirect are...

Acronis: IDOR on www.acronis.com API lead to steal private business user information

Summary Hi acronis team, i found an endpoint : www.acronis.com/en-us/api/v1/lead/id:929-HVV-335&token:mch-acronis.com- that is vulnerable to IDOR. with this vulnerability an attacker can steal private info such as company name, user name and surname, telephone number etc... Steps To Reproduce 1...

MTN Group: Email verification bypassed during sing up (https://developers.mtn.com/profile)

Summary: Normally https://developers.mtn.com ask users to verify their email during registration but i found a way to bypass this so than an attacker can create accounts with emails that are not his own abusing the intigrity of MTN. Steps To Reproduce: 1. Create an account with you owned email,...

Nextcloud: Session fixation on public talk links

userA shares a talk room and protects it with a password 2. userB opens links but doesn't enter the password yet 3. Attacker steals the cookies from userB 4. userB logs in 5. attacker is now also able to read the conversation etc Impact In short the attacker is able to take over the session of...

HackerOne: Static files on HackerOne.com can be made inaccessible through Cache Poisoning attack

Summary: Hi, The host hackerone.com uses cloudlfare to cache static files. The header x-forwarded-scheme can be used to cause a redirect loop, which will be cached by cloudflare. By taking down a JS file, it is possible to cause a total loss of availability on hackerone.com Disclaimer No actual...

8x8: Subdomain takeover of ███.wavecell.com

An EC2 instance was terminated but the DNS record was initially not updated/removed. The issue has been rectified...

U.S. General Services Administration: e-mail verification bypass through interception & modification of response status

Hi, During registration of account at https://tams.preprod.gsa.gov, e-mail verification code validation can be bypassed through intercepting & modifying the response status-from "success":false to "success":true Video F1284281 is for reference. Steps To Reproduce 1. Open User Registration Url -...

Sifchain: Private eth key found

Hello, team! Found private ethereum key at file: https://github.com/Sifchain/sifnode/blob/develop/smart-contracts/.env.example This key points to wallet balance: F1284232 As I understood, private key allows to spend this coins, so it may need to be masked or hidden. Impact eth private key disclos...

Zego: Subdomain takeover of v.zego.com

Summary v.zego.com points to an AWS EC2 instance at 52.214.138.192 that no longer exists. I was able to take control of this IP address and run my own EC2 instance. I can now serve content on this domain, obtain a TLS certificate for this domain, etc. If any customers or servers are pointing to...

Sifchain: Vulnerability : Email Spoofing

Hi Team Hope you are doing well. I found vulnerability. Issue: Email Spoofing I just sent a forged email to [email protected] that appears to originate from [email protected] I was able to do this because of SPF Soft Fail and I could not find DMARC record of this domain. SPF record...

curl: CVE-2021-22901: TLS session caching disaster

Summary: lib/vtls/openssl.c osslconnectstep1 sets up the osslnewsessioncb sessionid callback with SSLCTXsesssetnewcb, and adds association from dataidx and connectdataidx to current conn and data respectively: SSLCTXsetsessioncachemodebackend-ctx, SSLSESSCACHECLIENT | SSLSESSCACHENOINTERNAL;...

Valve: Buffer overrun in Steam SILK voice decoder

Vulnerability The SteamWorks SDK has a function available named DecompressVoice, which takes as input some compressed voice data, and returns the raw audio data. The format for the input voice data is as follows: 8 bytes - steamid 1 byte - payload type 2 bytes - payload size 4 bytes - CRC checksu...

HackerOne: Private program disclosure of `██████████` through notifications

Summary: Private program disclosure of ██████ through notifications Description: It looks like there is a private program called ████████ - https://hackerone.com/████████ which I'm not yet invited yet. However, I received a notification alert in my H1 account notification box indicating the priva...

CS Money: Able to blocking users with 2fa from login into their accounts by just knowing the SteamID

A vulnerability was discovered where an attacker could block users with two-factor authentication from logging into their accounts on a website by modifying the steamid cookie in the two-factor authentication code confirmation request. By changing the steamid cookie to the victim's and sending...

Palo Alto Software: Subdomain takeover of www2.growasyouplan.com

Summary www2.growasyouplan.com points to an AWS EC2 instance at 67.202.62.93 that no longer exists. I was able to take control of this IP address and run my own EC2 instance. I can now serve content on this domain, obtain a TLS certificate for this domain, etc. If any customers or servers are...

Ruby: imap: StartTLS stripping attack (CVE-2016-0772).

net/imap does not seem to raise an exception when the remote end imap server fails to respond with taggedresponse NO/BAD or OK to an explicit call of imap.starttls. This may allow a malicious MITM to perform a starttls stripping attack if the client code does not explicitly set usessl = true on...

Node.js: Improper handling of untypical characters in domain names

Description Missing input validation of host names returned by Domain Name Servers in node's dns library can lead to output of wrong hostnames leading to Domain Hijacking and injection vulnerabilities in applications using the library leading to Remote Code Execution, XSS, Applications crashes,...

Logitech: session takeover via open protocol redirection on streamlabs.com

Summary: Hi Logitech team, on streamlabs.com the endpoint: streamlabs.com/global/identity?popup=1&r=protocol://merch.streamlabs.com redirect any authenticated user to a arbitrary protocol, and it merge the redirect link with an accesstoken. F1281409 this means that if a malicious app that handle...

Mail.ru: [geekbrains.ru] Node modules path disclosure due to lack of error handling

Full stack error trace at HTTP 404-error on nexus.geekbrains.ru discloses the full path of the Node.js module directory on the server...

Mail.ru: [mcs.mail.ru] Пользователь с ролью наблюдателя может создавать ключи доступа для очереди сообщений (sqs.mcs.mail.ru)

IDOR for X-Pid header allowed user with observer role to elevate privileges for SQS service of MCS sqs.mcs.mail.ru by using role from the different project. Insecure check of header parameter leaded to ability of account creation in SQS service by project observer...

Uber: pam_ussh does not properly validate the SSH certificate authority

The pamussh module that Uber open-sourced in https://github.com/uber/pam-ussh does not validate that the SSH certificate presented by a user is actually signed by a trusted CA listed in the configured cafile...

UPchieve: Password reset token leak on third party website via Referer header

Summary: It has been identified that the application is leaking referrer token to third party sites. In this case it was found that the password reset token is being leaked to third party sites which is a issue knowing the fact that it can allow any malicious users to use the token and reset the...

FetLife: Specific Payload makes a Users Posts unavailable

Good Morning, Like we talked about in the email, I'm reporting an issue that I've found that is possible, by crafting a specific payload, other users that try to access /posts of a user will face the 500 Internal Server Error issue, not only when they access the specific crafted post. With this,...

curl: CVE-2021-22898: TELNET stack contents disclosure

Summary: lib/telnet.c suboption function incorrecly checks for the sscanf return value. Instead of checking that 2 elements are parsed, the code also continues if just one element matches: ifsscanfv-data, "%127^,,%127s", varname, varval As such it is possible to construct environment values that...

MariaDB: Git Config

Hey Team, I am a Security Researcher and I have found that one of your domain is leaking the git file which may led to source code of git repository exposing can led to sophisticated attacks so kindly remove it. Vuln URL - http://foundation01.mariadb.org/.git/config BEST, ABHINAV SHARMA -...

Sifchain: Clickjacking misconfiguration bug

Hi team, While performing security testing of your website i have found the vulnerability called Clickjacking. Many URLS are in scope and vulnerable to Clickjacking. What is Clickjacking ? Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of...

Sifchain: Email Spoofing bug

Hi team, An SPF/DMARC record is a type of Domain Name Service DNS record that identifies which mail servers are permitted to send email on behalf of your domain. The purpose of an SPF/DMARC record is to prevent spammers from sending messages on the behalf of your organization. Remediation: Create...

U.S. General Services Administration: [Transportation Management Services Solution 2.0] Improper authorization at tmss.gsa.gov leads to data exposure of all registered users

Summary: Hi team! I hope you are having a great Tuesday : Where: https://tmss.gsa.gov/ Who: Unathenticated users Why: Improper Access Control at /tmssserver/api/public/customerregistration/:id/userId/ I found an endpoint /tmssserver/api/public/customerregistration/:id/userId/ at...

GitHub Security Lab: [Java] Query for detecting Jakarta Expression Language injections

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

GitHub Security Lab: Java: JSONP Injection

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

GitHub Security Lab: [Java] CWE-094: Query to detect Groovy Code Injections

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

GitHub Security Lab: ihsinme: CPP Add query for CWE-691 Insufficient Control Flow Management When Using Bit Operations

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

UPchieve: Full account takeover of any user through reset password

Summary: Hi Security team members, Usually, If we reset our password on https://app.upchieve.org that time we got a password reset link on the email. And through that password reset link, we can reset our password. But, I noticed that if we add another email in the request of forgot password...

EXNESS: Access control vulnerability (read/write)

Horizontal privilege escalation that could be used to gain read/write access to some resources not associated with the current user...

Logitech: Privilege Escalation Leads to Control The Owner Access Token Which leads to control the stream [streamlabs.com]

Hi Security team, Summary: I was able as Administrator to change the account owner access token Description: As Administrator i have high privileges but i have some restricted areas F1278364 For example i got invitation from MrX with Administrator role. When i navigated to MrX account as...

EXNESS: Acess control vulnerability (read/write)

Horizontal privilege escalation that could be used to gain read/write access to some resources not associated with the current user...

U.S. Dept Of Defense: Remote Code Execution via Insecure Deserialization in Telerik UI (CVE-2019-18935)

Description: https://██████/██████████/Telerik.Web.UI.WebResource.axd?type=rau is vulnerable to CVE-2017-11317 and CVE-2019-18935, allowing an attacker to upload arbitrary files and gain remote code execution on the underlying system. References...

Nextcloud: index.php/apps/files_sharing/shareinfo endpoint is not properly protected

When federated shares between two Nextclouds are created they do not use standard webdav to communciate. But to obtain the filelist they seem to use the SERVER/index.php/apps/filessharing/shareinfo endpoint. Unlike the other endpoint for tokens like public link shares. There is no brute force...

Nextcloud: Trusted server shared secret stored unencrypted in the database

The attack vector here is that somebody gets their hands on your database. When two servers have added each other as trusted server they exchange shared secret token. With this token they can sync down each other user lists. However it seems that this token is stored in plain text in the...

U.S. Dept Of Defense: S3 bucket listing/download

It's possible to get a listing and download every file in the S3 bucket ██████████ and ███████ . Supporting Material/References https://hackerone.com/reports/278191 Impact An attacker can download files that are not intended to be public, both buckets are very big. An attacker can increase...

U.S. Dept Of Defense: Reflected XSS at www.███████ at /██████████ via the ████████ parameter

Description: The www.████████ site is using ████, which is vulnerable to reflected XSS in the /█████ component via the █████████ parameter. References https://www.cvedetails.com/cve/CVE-2017-14651/ https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2017-0265 Impact An attacker can caus...

Nextcloud: Default settings leak federated cloud id to lookup server of all users

So with the default settings Nextcloud still sends requests to the lookup server if users update their profile. Even if none of the fields are set to 'published'. I must admit this is somewhat of a surprise as there is no reason for this. As long as the visibility of none of the fields change and...

Nextcloud: Nextcloud update checks leaks information

Hi, I think this is more of a privacy concern than a security concern. However I wanted to check here first. Please direct me to an other suitable location if needed. It is in relation to https://github.com/nextcloud/server/blob/master/lib/private/Updater/VersionCheck.phpL78 This is sending sever...

New Relic: HTML Injection In Email In one.newrelic.com

Hi, There's a HTML injection vulnerability present inside emails sent from Newrelic when the name on the organization inviting user contains HTML. The html is stored in the backend database and when emails are sent invitation, the HTML is sent along with the rest of the email. Steps to reproduce:...

Exodus: Cache Poisoning DoS on downloads.exodus.com

Summary: Hello, The subdomain downloads.exodus.com hosts all files meant to be downloaded by exodus users. A few of the file I found are: https://downloads.exodus.com/releases/exodus-linux-x64-21.4.9.zip https://downloads.exodus.com/releases/hashes-exodus-21.2.12.txt...

HackerOne: Stored XSS in IE11 on hackerone.com via custom fields

Hi There, i found stored xss via Custom Fields F1275694 ---------------------------------- F1275691 POC: F1275692 Impact The attacker can use this issue to execute malicious script code in the victim user browser also redirect the victim user to malicious sites...

curl: CVE-2021-22897: schannel cipher selection surprise

Summary: Commit "schannel: support selecting ciphers" added support for selecting the ciphers with SCHANNEL. However, due to use of a static algIds array for ciphers in setsslciphers the last configured cipher list will override configuration used by other connections, leading to potential wrong...