Vulnerability Details : CVE-2018-18585
Potential exploit
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).
Products affected by CVE-2018-18585
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:ltss:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:12:sp2:*:*:ltss:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:12:ga:*:*:ltss:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:*
- cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:*
- cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:*
- cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:*
- cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18585
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18585
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2018-18585
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18585
-
https://usn.ubuntu.com/3814-1/
USN-3814-1: libmspack vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
Avoid returning CHM file entries that are "blank" because they have e… · kyz/libmspack@8759da8 · GitHubExploit;Third Party Advisory
-
https://www.starwindsoftware.com/security/sw-20181213-0002/
CVE-2018-18585 libmspack vulnerability in StarWind VSAN for vSphere (VSA)Third Party Advisory
-
https://security.gentoo.org/glsa/201903-20
cabextract, libmspack: Multiple vulnerabilities (GLSA 201903-20) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
[SECURITY] [DLA 1555-1] libmspack security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3814-3/
USN-3814-3: ClamAV vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.openwall.com/lists/oss-security/2018/10/22/1
oss-security - Buffer overflow in cabextract/libmspack (Fwd: New cabextract 1.8 and libmspack 0.8 release)Mailing List;Patch;Third Party Advisory
-
https://usn.ubuntu.com/3814-2/
USN-3814-2: ClamAV vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugs.debian.org/911637
#911637 - libmspack: CVE-2018-18585: Avoid returning CHM file entries that are "blank" because they have embedded null bytes - Debian Bug report logsIssue Tracking;Mailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2049
RHSA-2019:2049 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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