Full Report
Posted by Dirk GöhmannIn 2024, our Vulnerability Reward Program confirmed the ongoing value of engaging with the security research community to make Google and its products safer. This was evident as we awarded just shy of $12 million to over 600 researchers based in countries around the globe across all of our programs.Vulnerability Reward Program 2024 in NumbersYou can learn about who’s reporting to the Vulnerability Reward Program via our Leaderboard – and find out more about our youngest security researchers who’ve recently joined the ranks of Google bug hunters.VRP Highlights in 2024In 2024 we made a series of changes and improvements coming to our vulnerability reward programs and related initiatives:The Google VRP revamped its reward structure, bumping rewards up to a maximum of $151,515, the Mobile VRP is now offering up to $300,000 for critical vulnerabilities in top-tier apps, Cloud VRP has a top-tier award of up $151,515, and Chrome awards now peak at $250,000 (see the below section on Chrome for details).We rolled out InternetCTF – to get rewarded, discover novel code execution vulnerabilities in open source and provide Tsunami plugin patches for them.The Abuse VRP saw a 40% YoY increase in payouts – we received over 250 valid bugs targeting abuse and misuse issues in Google products, resulting in over $290,000 in rewards.To improve the payment process for rewards going to bug hunters, we introduced Bugcrowd as an additional payment option on bughunters.google.com alongside the existing standard Google payment option. We hosted two editions of bugSWAT for training, skill sharing, and, of course, some live hacking – in August, we had 16 bug hunters in attendance in Las Vegas, and in October, as part of our annual security conference ESCAL8 in Malaga, Spain, we welcomed 40 of our top researchers. Between these two events, our bug hunters were rewarded $370,000 (and plenty of swag).We doubled down on our commitment to support the next generation of security engineers by hosting four init.g workshops (Las Vegas, São Paulo, Paris, and Malaga). Follow the Google VRP channel on X to stay tuned on future events.More detailed updates on selected programs are shared in the following sections.Android and Google DevicesIn 2024, the Android and Google Devices Security Reward Program and the Google Mobile Vulnerability Reward Program, both part of the broader Google Bug Hunters program, continued their mission to fortify the Android ecosystem, achieving new heights in both impact and severity. We awarded over $3.3 million in rewards to researchers who demonstrated exceptional skill in uncovering critical vulnerabilities within Android and Google mobile applications. The above numbers mark a significant change compared to previous years. Although we saw an 8% decrease in the total number of submissions, there was a 2% increase in the number of critical and high vulnerabilities. In other words, fewer researchers are submitting fewer, but more impactful bugs, and are citing the improved security posture of the Android operating system as the central challenge. This showcases the program's sustained success in hardening Android.This year, we had a heightened focus on Android Automotive OS and WearOS, bringing actual automotive devices to multiple live hacking events and conferences. At ESCAL8, we hosted a live-hacking challenge focused on Pixel devices, resulting in over $75,000 in rewards in one weekend, and the discovery of several memory safety vulnerabilities. To facilitate learning, we launched a new Android hacking course in collaboration with external security researchers, focused on mobile app security, designed for newcomers and veterans alike. Stay tuned for more.We extend our deepest gratitude to the dedicated researchers who make the Android ecosystem safer. We're proud to work with you! Special thanks to Zinuo Han (@ele7enxxh) for their expertise in Bluetooth security, blunt (@blunt_qian) for holding the record for the most valid reports submitted to the Google Play Security Reward Program, and WANG,YONG (@ThomasKing2014) for groundbreaking research on rooting Android devices with kernel MTE enabled. We also appreciate all researchers who participated in last year's bugSWAT event in Málaga. Your contributions are invaluable! ChromeChrome did some remodeling in 2024 as we updated our reward amounts and structure to incentivize deeper research. For example, we increased our maximum reward for a single issue to $250,000 for demonstrating RCE in the browser or other non-sandboxed process, and more if done directly without requiring a renderer compromise. In 2024, UAF mitigation MiraclePtr was fully launched across all platforms, and a year after the initial launch, MiraclePtr-protected bugs are no longer being considered exploitable security bugs. In tandem, we increased the MiraclePtr Bypass Reward to $250,128. Between April and November, we also launched the first and second iterations of the V8 Sandbox Bypass Rewards as part of the progression towards the V8 sandbox, eventually becoming a security boundary in Chrome. We received 337 reports of unique, valid security bugs in Chrome during 2024, and awarded 137 Chrome VRP researchers $3.4 million in total. The highest single reward of 2024 was $100,115 and was awarded to Mickey for their report of a MiraclePtr Bypass after MiraclePtr was initially enabled across most platforms in Chrome M115 in 2023. We rounded out the year by announcing the top 20 Chrome VRP researchers for 2024, all of whom were gifted new Chrome VRP swag, featuring our new Chrome VRP mascot, Bug.Cloud VRPThe Cloud VRP launched in October as a Cloud-focused vulnerability reward program dedicated to Google Cloud products and services. As part of the launch, we also updated our product tiering and improved our reward structure to better align our reports with their impact on Google Cloud. This resulted in over 150 Google Cloud products coming under the top two reward tiers, enabling better rewards for our Cloud researchers and a more secure cloud.Since its launch, Google Cloud VRP triaged over 400 reports and filed over 200 unique security vulnerabilities for Google Cloud products and services leading to over $500,000 in researcher rewards. Our highlight last year was launching at the bugSWAT event in Málaga where we got to meet many of our amazing researchers who make our program so successful! The overwhelming positive feedback from the researcher community continues to propel us to mature Google Cloud VRP further this year. Stay tuned for some exciting announcements!Generative AIWe’re celebrating an exciting first year of AI bug bounties. We received over 150 bug reports – over $55,000 in rewards so far – with one-in-six leading to key improvements. We also ran a bugSWAT live-hacking event targeting LLM products and received 35 reports, totaling more than $87,000 – including issues like “Hacking Google Bard - From Prompt Injection to Data Exfiltration” and “We Hacked Google A.I. for $50,000”.Keep an eye on Gen AI in 2025 as we focus on expanding scope and sharing additional ways for our researcher community to contribute. Looking Forward to 2025In 2025, we will be celebrating 15 years of VRP at Google, during which we have remained fully committed to fostering collaboration, innovation, and transparency with the security community, and will continue to do so in the future. Our goal remains to stay ahead of emerging threats, adapt to evolving technologies, and continue to strengthen the security posture of Google’s products and services. We want to send a huge thank you to our bug hunter community for helping us make Google products and platforms more safe and secure for our users around the world – and invite researchers not yet engaged with the Vulnerability Reward Program to join us in our mission to keep Google safe! Thank you to Dirk Göhmann, Amy Ressler, Eduardo Vela, Jan Keller, Krzysztof Kotowicz, Martin Straka, Michael Cote, Mike Antares, Sri Tulasiram, and Tony Mendez. Tip: Want to be informed of new developments and events around our Vulnerability Reward Program? Follow the Google VRP channel on X to stay in the loop and be sure to check out the Security Engineering blog, which covers topics ranging from VRP updates to security practices and vulnerability descriptions (30 posts in 2024)!
Analysis Summary
The provided context is only a navigation stub for a Google Online Security Blog post titled "Vulnerability Reward Program: 2024 in Review." It contains the title, date, author, and a comprehensive list of blog labels and archives, but *no substantive content* regarding specific security recommendations, implementation guidance, or configuration best practices from the actual review article.
Therefore, the following structure will be populated based on the *inferred themes* of a comprehensive Vulnerability Reward Program (VRP) review, focusing on general best practices derived from industry standards related to vulnerability management, security testing, and open-source security (given the presence of tags like `#supplychain`, `fuzzing`, and `Open Source`).
# Best Practices: Vulnerability Management and Proactive Security Testing
## Overview
These practices focus on establishing robust processes for identifying, mitigating, and rewarding the discovery of security vulnerabilities within software and infrastructure, informed by the success metrics and focus areas of large-scale Vulnerability Reward Programs (VRPs). This involves continuous testing, strong memory safety enforcement, and secure supply chain hygiene.
## Key Recommendations
### Immediate Actions
1. **Establish a Clear Reporting Mechanism:** Ensure an easily accessible, unambiguous channel (e.g., a dedicated security@ email or web portal) is available for external security researchers to report vulnerabilities, adhering to responsible disclosure guidelines.
2. **Triage and Validation Process Standardization:** Immediately implement a standardized, documented process for quickly acknowledging receipt of a report, assigning severity (e.g., CVSS scoring), and prioritizing triage resources.
3. **Patch Verification Protocol:** For newly discovered vulnerabilities, create a checklist to confirm successful mitigation across all relevant platforms/versions before public disclosure or patch deployment.
### Short-term Improvements (1-3 months)
1. **Launch or Enhance Fuzzing Campaigns:** Prioritize the deployment and scaling of automated testing frameworks (fuzzers) against high-risk components, particularly in memory-unsafe codebases (like C/C++) identified in the VRP focus areas.
2. **Implement Memory Safety Migration Goals:** For codebases still reliant on C/C++, define a measurable roadmap for migrating critical components to memory-safe languages (like Rust or Go) to proactively eliminate entire classes of vulnerabilities.
3. **Review and Optimize Reward Tiers:** Analyze the current reward structure for alignment with real-world risk (incentivizing high-impact bug hunting) and adjust payout tiers to attract top talent targeting known weak spots (e.g., zero-day exploits).
### Long-term Strategy (3+ months)
1. **Deep Supply Chain Security Integration:** Fully integrate Software Composition Analysis (SCA) and Software Bill of Materials (SBOM) generation into the CI/CD pipeline for all projects, especially highlighting adherence to standards like Sigstore for artifact signing.
2. **Hardware Security Review Integration:** If applicable, formalize the process for incorporating findings related to physical security or hardware-assisted features (like secure enclaves or hardware roots of trust, e.g., Titan M2) into the VRP scope.
3. **Continuous Researcher Engagement:** Develop structured mentorship or engagement programs (e.g., CTFs, workshops) to foster community expertise in niche or emerging threat vectors relevant to the organization's technology stack.
## Implementation Guidance
### For Small Organizations
- **Focus on Core Assets:** Limit initial VRP scope to public-facing services and critical internal systems.
- **Utilize Existing Tools:** Leverage free or low-cost open-source tooling for basic security testing (e.g., OSS scanners). Do not attempt to build custom VRP infrastructure immediately.
- **Use Standard Disclosure Policy:** Adopt a well-known, templated Responsible Disclosure Policy instead of drafting one from scratch.
### For Medium Organizations
- **Implement Structured Triage:** Assign dedicated personnel (even part-time) whose primary role is vulnerability triage and communication flow management.
- **Targeted Fuzzing:** Start fuzzing efforts specifically on high-risk ingestion points (parsers, network input handlers) written in C/C++ or other languages prone to memory corruption.
### For Large Enterprises
- **Comprehensive Asset Scoping:** Maintain a continuous, automated discovery process for all public and semi-public assets to ensure accurate VRP scope definition.
- **Establish Memory Safety Migration Office:** Create a cross-functional team dedicated to managing the systematic replacement of legacy C/C++ code with memory-safe alternatives, tracking progress against security milestones.
- **Scale Rewards for Complexity:** Implement differential rewards for novel exploit classes that require deeper expertise (e.g., side-channel attacks, complex logic flaws) beyond simple memory corruption.
## Configuration Examples
*(Since the source material does not provide specific configurations, this section outlines best-practice configurations inferred from VRP focus areas like Memory Safety and Supply Chain Security)*
**Memory Safety Migration Guidance (If moving code to Rust):**
1. **Project Structure:** Use Cargo's built-in dependency management exclusively; avoid mixing C/C++ dependencies where possible.
2. **FFI Boundary Hardening:** When interfacing with existing C code (using `extern "C"`), aggressively sandbox or strictly limit data flow across Foreign Function Interface (FFI) boundaries, treating all inputs from the C side as untrusted.
**Supply Chain Integrity via Signing (Sigstore/Verification):**
bash
# Recommended Step: Automated signing of all build artifacts upon completion
# Example command concept (using a generic signing utility placeholder)
signer sign --artifact my_app.binary --key $RUNTIME_SECRET_KEY --policy "CI/CD Pipeline 1"
# Recommended Step: Enforce verification checks before deployment stage
# Ensure deployment fails if the artifact signature chain cannot be verified
verification_check verify --artifact my_app.binary --trusted_root $CORP_ROOT_OF_TRUST
## Compliance Alignment
- **NIST SP 800-53:** Control Review (RA), Vulnerability Management (RA-5), and Continuous Monitoring (CM).
- **ISO/IEC 27034 (Application Security):** Focus on using vulnerability feedback to drive continuous improvement in the secure application development lifecycle (SADLC).
- **CISA SDLC Recommendations:** Directly supports the need for proactive security testing (fuzzing, code review) and addressing memory-unsafe code.
## Common Pitfalls to Avoid
- **"Scope Creep" Without Capacity:** Expanding the VRP scope widely without corresponding increases in triage staff or reward budget, leading to slow response times and researcher attrition.
- **Ignoring Low-Severity Findings:** Dismissing reports labeled as "low" severity, as these often accumulate into effective attack paths when chained together or exploited contextually.
- **Static Policies on Dynamic Threats:** Maintaining a VRP scope, policies, or reward structure that remains unchanged year-over-year, ignoring emerging attack surfaces (e.g., shifting focus from web apps to AI models or specialized hardware).
## Resources
- **Vulnerability Severity Scoring:** Utilize the latest standardized version of the Common Vulnerability Scoring System (CVSS) for objective severity rating.
- **Memory Safety Adoption Frameworks:** Consult documentation from organizations actively transitioning to Rust or similar memory-safe languages for migration patterns.
- **Responsible Disclosure Templates:** Review documented policies from established security researchers or peer organizations when drafting the public disclosure agreement.