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Vulnerability details: VCID-rsak-2xhu-aaae
Vulnerability ID VCID-rsak-2xhu-aaae
Aliases CVE-2018-20671
Summary load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-787 Out-of-bounds Write
CWE-190 Integer Overflow or Wraparound
CWE-122 Heap-based Buffer Overflow
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20671.html
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20671.json
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epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2018-20671
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1664712
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20671
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-20671
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20671
generic_textual Low https://ubuntu.com/security/notices/USN-4336-1
generic_textual Low https://ubuntu.com/security/notices/USN-4336-2
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-2018-20671.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20671.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20671
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://sourceware.org/bugzilla/show_bug.cgi?id=24005
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=11fa9f134fd658075c6f74499c780df045d9e9ca
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=11fa9f134fd658075c6f74499c780df045d9e9ca
https://ubuntu.com/security/notices/USN-4336-1
https://ubuntu.com/security/notices/USN-4336-2
https://usn.ubuntu.com/4336-1/
https://usn.ubuntu.com/usn/usn-4336-1
http://www.securityfocus.com/bid/106457
1664712 https://bugzilla.redhat.com/show_bug.cgi?id=1664712
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
CVE-2018-20671 https://nvd.nist.gov/vuln/detail/CVE-2018-20671
USN-4336-2 https://usn.ubuntu.com/4336-2/
USN-6413-1 https://usn.ubuntu.com/6413-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20671.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:R/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-2018-20671
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-2018-20671
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 0.21661
EPSS Score 0.00084
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.