5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-1178

CVE-2025-1178: A vulnerability was found in GNU Binutils 2.43. It has been declared as problematic. Affected by...

A vulnerability was found in GNU Binutils 2.43. It has been declared as problematic. Affected by this vulnerability is the function bfd_putl64 of the file libbfd.c of the component ld. The manipulation leads to memory corruption. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The identifier of the patch is 75086e9de1707281172cc77f178e7949a4414ed0. It is recommended to apply a patch to fix this issue.

(GitHub Advisory)

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CVE-2025-1178

CVE-2025-1178:

5.6

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The analysis identified two key functions involved in the vulnerability. The vulnerability description explicitly names bfd_putl64 (in libbfd.c) as the function where memory corruption occurs. The provided patch (commit 75086e9de1707281172cc77f178e7949a4414ed0) modifies the elf_x86_64_finish_dynamic_symbol function in bfd/elf64-x86-64.c. The patch introduces a check for the existence and validity of the relgot section before proceeding to generate dynamic relocations. This indicates that the unpatched elf_x86_64_finish_dynamic_symbol was vulnerable because it lacked this check, allowing it to proceed in a state where the relgot section was unsuitable. This unsafe state would then lead to bfd_putl64 (or a similar function involved in writing relocation data) being called in a way that corrupts memory. Therefore, elf_x86_64_finish_dynamic_symbol is vulnerable due to the missing check that sets up the dangerous condition, and bfd_putl64 is the function that executes the memory corrupting write under these conditions. Both functions would likely appear in a runtime profile during the exploitation of this vulnerability.

Vulnerable functions

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WAF Rule

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Reasoning

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