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CVE-2017-15022

5.5 · MEDIUM

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not validate the DW_AT_name data type, which allows remote attackers to cause a denial o…

Published Oct 5, 2017CWE-476EPSS 2.02%

Overview

CVE-2017-15022 is a medium-severity vulnerability. It was published on October 5, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not validate the DW_AT_name data type, which allows remote attackers to cause a denial of service (bfd_hash_hash NULL pointer dereference, or out-of-bounds access, and application crash) via a crafted ELF file, related to scan_unit_for_symbols and parse_comp_unit.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-bfd_hash_hash-hash-c/Refsourceware.org/bugzilla/show_bug.cgi?id=22201Refsourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11855d8a1f11b102a702ab76e95b22082cccf2f8Refblogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-bfd_hash_hash-hash-c/Refsourceware.org/bugzilla/show_bug.cgi?id=22201Refsourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11855d8a1f11b102a702ab76e95b22082cccf2f8

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15022?

CVE-2017-15022 is a medium-severity vulnerability. It was published on October 5, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2017-15022?

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-15022?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-15022?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15022 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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