CVE-2025-1178
📋 TL;DR
A memory corruption vulnerability exists in GNU Binutils' bfd_putl64 function within the ld component. This allows remote attackers to potentially execute arbitrary code or cause denial of service by manipulating specially crafted input files. Systems using Binutils for linking or binary analysis are affected.
💻 Affected Systems
- GNU Binutils
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation.
Likely Case
Denial of service through application crashes or instability when processing malicious files.
If Mitigated
Limited impact with proper sandboxing and input validation, potentially causing only crashes in isolated processes.
🎯 Exploit Status
Exploit has been publicly disclosed but requires specific conditions and manipulation of binary files. Attack complexity is high according to the description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patched in commit 75086e9de1707281172cc77f178e7949a4414ed0
Vendor Advisory: https://sourceware.org/bugzilla/show_bug.cgi?id=32638
Restart Required: No
Instructions:
1. Update Binutils to version containing commit 75086e9de1707281172cc77f178e7949a4414ed0. 2. Recompile any affected binaries. 3. Replace existing ld binaries with patched versions.
🔧 Temporary Workarounds
Restrict file processing
linuxLimit processing of untrusted binary/object files through ld linker
chmod 750 /usr/bin/ld
setfacl -m u:trusted_user:rwx /usr/bin/ld
Sandbox linking processes
linuxRun ld in restricted environments using containerization or sandboxing
firejail --net=none /usr/bin/ld
bwrap --unshare-all --ro-bind / / /usr/bin/ld
🧯 If You Can't Patch
- Implement strict input validation for all files processed by ld
- Monitor and audit all ld process executions for unusual activity
🔍 How to Verify
Check if Vulnerable:
Check Binutils version: ld --version | grep 'GNU ld' and verify if version is 2.43Check Version:
ld --version | head -1Verify Fix Applied:
Verify patch is applied: git log --oneline | grep 75086e9de1707281172cc77f178e7949a4414ed0📡 Detection & Monitoring
Log Indicators:
- Segmentation faults in ld processes
- Unexpected memory access errors in system logs
- Abnormal termination of linking operations
Network Indicators:
- Unusual file transfers to build systems
- Network connections from ld processes
SIEM Query:
process_name:"ld" AND (event_type:"crash" OR exit_code:139)🔗 References
- https://sourceware.org/bugzilla/attachment.cgi?id=15914
- https://sourceware.org/bugzilla/show_bug.cgi?id=32638
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=75086e9de1707281172cc77f178e7949a4414ed0
- https://vuldb.com/?ctiid.295081
- https://vuldb.com/?id.295081
- https://vuldb.com/?submit.495369
- https://www.gnu.org/
- https://security.netapp.com/advisory/ntap-20250411-0008/
- https://sourceware.org/bugzilla/show_bug.cgi?id=32638
