CVE-2022-1714

7.1 HIGH

📋 TL;DR

CVE-2022-1714 is an out-of-bounds read vulnerability in radare2 reverse engineering framework versions prior to 5.7.0. This allows attackers to read sensitive information from adjacent memory locations, potentially exposing secrets or causing program crashes. Users of radare2 for binary analysis, security research, or reverse engineering are affected.

💻 Affected Systems

Products:
  • radare2
Versions: All versions prior to 5.7.0
Operating Systems: Linux, Windows, macOS, BSD
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of radare2 before version 5.7.0 are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Information disclosure of sensitive memory contents including passwords, encryption keys, or other application secrets, potentially leading to complete system compromise if combined with other vulnerabilities.

🟠

Likely Case

Program crash (denial of service) or limited information disclosure from adjacent memory buffers.

🟢

If Mitigated

Minimal impact if proper memory protections (ASLR, DEP) are enabled and the application runs with limited privileges.

🌐 Internet-Facing: LOW - radare2 is typically used as a local analysis tool, not as an internet-facing service.
🏢 Internal Only: MEDIUM - While primarily a local tool, it could be exploited if an attacker gains access to execute malicious binaries or scripts on systems where radare2 is installed.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Exploitation requires the attacker to provide malicious input to radare2, which could be embedded in analyzed binaries or scripts. The vulnerability is publicly documented with proof-of-concept details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.7.0 and later

Vendor Advisory: https://github.com/radareorg/radare2/commit/3ecdbf8e21186a9c5a4d3cfa3b1e9fd27045340e

Restart Required: No

Instructions:

1. Update radare2 to version 5.7.0 or later using your package manager. 2. For source installations: git clone https://github.com/radareorg/radare2 && cd radare2 && sys/install.sh. 3. Verify installation with 'r2 -v' to confirm version 5.7.0+.

🔧 Temporary Workarounds

Restrict radare2 usage

linux

Limit radare2 execution to trusted users and environments only

chmod 750 /usr/bin/radare2
setfacl -m u:trusteduser:rx /usr/bin/radare2

Run with reduced privileges

all

Execute radare2 with minimal permissions using privilege separation

sudo -u nobody radare2 [file]
runas /user:lowprivuser radare2.exe [file]

🧯 If You Can't Patch

  • Isolate radare2 to dedicated analysis systems with no sensitive data or network access
  • Implement application whitelisting to prevent execution of untrusted binaries with radare2

🔍 How to Verify

Check if Vulnerable:

Run 'r2 -v' and check if version is below 5.7.0. If command returns 'radare2 5.6.0' or similar lower version, system is vulnerable.

Check Version:

r2 -v | grep -o 'radare2 [0-9.]\+'

Verify Fix Applied:

Execute 'r2 -v' and confirm output shows version 5.7.0 or higher. Test with known problematic inputs from vulnerability reports.

📡 Detection & Monitoring

Log Indicators:

  • Segmentation fault or access violation errors in system logs when radare2 crashes
  • Unusual memory access patterns from radare2 process

Network Indicators:

  • Typically none as this is a local vulnerability

SIEM Query:

process.name:"radare2" AND (event.action:"segmentation_fault" OR event.action:"access_violation")

🔗 References

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