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Vulnerability DatabaseCVE-2021-47695
CVE-2021-47695:
Nagios XI vulnerability analysis and mitigation
Overview
An issue was discovered in Binutils objdump before version 2.39.3 that allows attackers to cause a denial of service via the function bfd_mach_o_get_synthetic_symtab in match-o.c (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 7.8 HIGH with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The issue specifically affects the function bfd_mach_o_get_synthetic_symtab in match-o.c, which can lead to invalid memory access (NVD).
Impact
When exploited, this vulnerability can cause a denial of service through invalid memory access. The high CVSS score indicates potential severe impacts on system confidentiality, integrity, and availability (NVD, Ubuntu Security).
Mitigation and workarounds
The vulnerability has been fixed in Binutils version 2.39.3. Users are advised to upgrade to this version or later. For Ubuntu users, specific package updates are available: Ubuntu 18.04 LTS (bionic) - binutils 2.30-21ubuntu1~18.04.9+esm1, Ubuntu 16.04 LTS (xenial) - binutils 2.26.1-1ubuntu1~16.04.8+esm7, Ubuntu 14.04 LTS (trusty) - binutils 2.24-5ubuntu14.2+esm3 (Ubuntu Security).
Additional resources
Source: This report was generated using AI
Related Nagios XI vulnerabilities:
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