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Vulnerability details: VCID-csun-gvnt-aaak
Vulnerability ID VCID-csun-gvnt-aaak
Aliases CVE-2020-14354
Summary A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-415 Double Free
CWE-416 Use After Free
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14354.json
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
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epss 0.00055 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
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epss 0.00055 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
epss 0.00087 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
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epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
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epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
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epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2020-14354
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1866838
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2020-14354
cvssv3 3.3 https://nvd.nist.gov/vuln/detail/CVE-2020-14354
cvssv3.1 3.3 https://nvd.nist.gov/vuln/detail/CVE-2020-14354
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14354.json
https://api.first.org/data/v1/epss?cve=CVE-2020-14354
https://c-ares.haxx.se/changelog.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14354
https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
https://packetstormsecurity.com/files/158755/GS20200804145053.txt
1866838 https://bugzilla.redhat.com/show_bug.cgi?id=1866838
cpe:2.3:a:c-ares:c-ares:1.16.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:c-ares:c-ares:1.16.0:*:*:*:*:*:*:*
cpe:2.3:a:c-ares_project:c-ares:1.16.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:c-ares_project:c-ares:1.16.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2020-14354 https://nvd.nist.gov/vuln/detail/CVE-2020-14354
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14354.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: AV:L/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14354
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14354
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14354
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 0.22175
EPSS Score 0.00053
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.