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Vulnerability details: VCID-tvf7-cvb1-fbeb
Vulnerability ID VCID-tvf7-cvb1-fbeb
Aliases CVE-2018-18585
Summary chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
Status Published
Exploitability 0.5
Weighted Severity 3.9
Risk 1.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18585.json
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00381 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2018-18585
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-18585
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-18585
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18585.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18585
https://bugs.debian.org/911637
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18585
https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
https://security.gentoo.org/glsa/201903-20
https://www.openwall.com/lists/oss-security/2018/10/22/1
https://www.starwindsoftware.com/security/sw-20181213-0002/
1644215 https://bugzilla.redhat.com/show_bug.cgi?id=1644215
911637 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911637
cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:*
cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:*
cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:*
cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:*
cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:*
cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
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:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:12:ga:*:*:ltss:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:12:ga:*:*:ltss:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:ltss:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:ltss:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:ltss:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:ltss:*:*:*
CVE-2018-18585 https://nvd.nist.gov/vuln/detail/CVE-2018-18585
RHSA-2019:2049 https://access.redhat.com/errata/RHSA-2019:2049
USN-3814-1 https://usn.ubuntu.com/3814-1/
USN-3814-2 https://usn.ubuntu.com/3814-2/
USN-3814-3 https://usn.ubuntu.com/3814-3/
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-2018-18585.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:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18585
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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18585
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 0.58744
EPSS Score 0.00381
Published At Aug. 8, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:33:35.753096+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0