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CVE-2018-6759

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Date: February 6, 2018

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

Language: C

Severity Score

Related Resources (10)

http://www.securityfocus.com/bid/103030
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-6759
https://sourceware.org/bugzilla/show_bug.cgi?id=22794
https://security-tracker.debian.org/tracker/CVE-2018-6759
https://access.redhat.com/security/cve/CVE-2018-6759
https://nvd.nist.gov/vuln/detail/CVE-2018-6759
https://security.gentoo.org/glsa/201811-17
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://www.mend.io/vulnerability-database/CVE-2018-6759

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version binutils-2_31

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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