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CVE-2018-6323

7.8 · HIGH

The elf_object_p function in elfcode.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29.1, has an unsigned integer overflow because bfd_size_type multip…

Published Jan 26, 2018CWE-190EPSS 5.83%

Overview

CVE-2018-6323 is a high-severity vulnerability. It was published on January 26, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The elf_object_p function in elfcode.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29.1, has an unsigned integer overflow because bfd_size_type multiplication is not used. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

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

Reflists.opensuse.org/opensuse-security-announce/2019-10/msg00072.htmlReflists.opensuse.org/opensuse-security-announce/2019-11/msg00008.htmlRefwww.securityfocus.com/bid/102821Refsourceware.org/bugzilla/show_bug.cgi?id=22746Refwww.exploit-db.com/exploits/44035/Reflists.opensuse.org/opensuse-security-announce/2019-10/msg00072.htmlReflists.opensuse.org/opensuse-security-announce/2019-11/msg00008.htmlRefwww.securityfocus.com/bid/102821Refsourceware.org/bugzilla/show_bug.cgi?id=22746Refwww.exploit-db.com/exploits/44035/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-6323?

CVE-2018-6323 is a high-severity vulnerability. It was published on January 26, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2018-6323?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. 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-2018-6323?

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-2018-6323?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-6323 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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