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Vulnerability details: VCID-565w-hvaz-aaag
Vulnerability ID VCID-565w-hvaz-aaag
Aliases CVE-2018-20673
Summary The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.
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-2018-20673.html
rhas Low https://access.redhat.com/errata/RHSA-2021:4386
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20673.json
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
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epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
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epss 0.001 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
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epss 0.001 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.00192 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
epss 0.0032 https://api.first.org/data/v1/epss?cve=CVE-2018-20673
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1664709
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20673
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-20673
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20673
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20673.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20673.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20673
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20673
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://sourceware.org/bugzilla/show_bug.cgi?id=24039
http://www.securityfocus.com/bid/106454
1664709 https://bugzilla.redhat.com/show_bug.cgi?id=1664709
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-2018-20673 https://nvd.nist.gov/vuln/detail/CVE-2018-20673
RHSA-2021:4386 https://access.redhat.com/errata/RHSA-2021:4386
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-2018-20673.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:L/I:L/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-2018-20673
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-2018-20673
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 0.16710
EPSS Score 0.00045
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.