CVE-2018-20651 Detail

Current Description

A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://www.securityfocus.com/bid/106440 Third Party Advisory  VDB Entry 
https://security.gentoo.org/glsa/201908-01
https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit  Issue Tracking  Third Party Advisory 
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f Patch  Third Party Advisory 
https://support.f5.com/csp/article/K38336243 Third Party Advisory 
https://usn.ubuntu.com/4336-1/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20651
NVD Published Date:
01/01/2019
NVD Last Modified:
08/03/2019
Source:
MITRE