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Vulnerability details: VCID-spuv-5rhp-aaab
Vulnerability ID VCID-spuv-5rhp-aaab
Aliases CVE-2018-16949
Summary An issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. Several data types used as RPC input variables were implemented as unbounded array types, limited only by the inherent 32-bit length field to 4 GB. An unauthenticated attacker could send, or claim to send, large input values and consume server resources waiting for those inputs, denying service to other valid connections.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-400 Uncontrolled Resource Consumption
System Score Found at
generic_textual Medium http://openafs.org/pages/security/OPENAFS-SA-2018-003.txt
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-16949.html
epss 0.00607 https://api.first.org/data/v1/epss?cve=CVE-2018-16949
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epss 0.00607 https://api.first.org/data/v1/epss?cve=CVE-2018-16949
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epss 0.00788 https://api.first.org/data/v1/epss?cve=CVE-2018-16949
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epss 0.15869 https://api.first.org/data/v1/epss?cve=CVE-2018-16949
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16947
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16948
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16949
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-16949
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-16949
Reference id Reference type URL
http://openafs.org/pages/security/OPENAFS-SA-2018-003.txt
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-16949.html
https://api.first.org/data/v1/epss?cve=CVE-2018-16949
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16947
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16948
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16949
https://lists.debian.org/debian-lts-announce/2018/09/msg00024.html
https://www.debian.org/security/2018/dsa-4302
http://www.securityfocus.com/bid/106375
908616 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908616
cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-16949 https://nvd.nist.gov/vuln/detail/CVE-2018-16949
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-16949
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-16949
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 0.79009
EPSS Score 0.00607
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.