National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-18585 Detail

Current Description

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).

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L (V3 legend)
Impact Score: 1.4
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2019:2049
https://access.redhat.com/security/cve/cve-2018-18585 Third Party Advisory
https://bugs.debian.org/911637 Mailing List Third Party Advisory
https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-20 Third Party Advisory
https://tools.cisco.com/security/center/viewAlert.x?alertId=59134 Third Party Advisory
https://usn.ubuntu.com/3814-1/ Third Party Advisory
https://usn.ubuntu.com/3814-2/ Third Party Advisory
https://usn.ubuntu.com/3814-3/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2018/10/22/1 Mailing List Patch Third Party Advisory
https://www.suse.com/security/cve/CVE-2018-18585/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:12:ga:*:*:ltss:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:ltss:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:ltss:*:*:*
     Show Matching CPE(s)


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-18585
NVD Published Date:
10/22/2018
NVD Last Modified:
08/06/2019