A vulnerability, which was classified as problematic, was found in GNU binutils 2.31 (Programming Tool Software). Affected is an unknown part of the file reloc.c of the component libbfd. The manipulation of the argument _bfd_clear_contents with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. An invalid memory address dereference was discovered in read_reloc in reloc.c. The vulnerability causes a segmentation fault and application crash, which leads to denial of service, as demonstrated by objdump, because of missing _bfd_clear_contents bounds checking.

The bug was discovered 10/14/2018. The weakness was published 10/15/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2018-18309 since 10/14/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Programming Tool Software

Vendor

• GNU

Name

• binutils

Version

• 2.31

License

• open-source

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• 🔍

CPE 2.2info

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