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Vulnerability details: VCID-dqe3-n3qr-aaar
Vulnerability ID VCID-dqe3-n3qr-aaar
Aliases CVE-2018-20651
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20651.html
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20651.json
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
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epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
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epss 0.00322 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
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epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00331 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
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epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
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epss 0.00387 https://api.first.org/data/v1/epss?cve=CVE-2018-20651
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1664703
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20651
cvssv3 4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-20651
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20651
generic_textual Low https://ubuntu.com/security/notices/USN-4336-1
generic_textual Low https://usn.ubuntu.com/usn/usn-4336-1
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20651.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20651.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20651
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20651
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201908-01
https://sourceware.org/bugzilla/show_bug.cgi?id=24041
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
https://support.f5.com/csp/article/K38336243
https://ubuntu.com/security/notices/USN-4336-1
https://usn.ubuntu.com/4336-1/
https://usn.ubuntu.com/usn/usn-4336-1
http://www.securityfocus.com/bid/106440
1664703 https://bugzilla.redhat.com/show_bug.cgi?id=1664703
cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*
CVE-2018-20651 https://nvd.nist.gov/vuln/detail/CVE-2018-20651
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20651.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20651
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20651
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.44631
EPSS Score 0.00241
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.