Vulnerability Details : CVE-2018-18584
In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.
Vulnerability category: Memory Corruption
Products affected by CVE-2018-18584
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux: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:libmspack_project:libmspack:0.5:alpha:*:*:*:*:*:*
- cpe:2.3:a:libmspack_project:libmspack:0.3:alpha:*:*:*:*:*:*
- cpe:2.3:a:libmspack_project:libmspack:0.4:alpha:*:*:*:*:*:*
- cpe:2.3:a:libmspack_project:libmspack:0.6:alpha:*:*:*:*:*:*
- cpe:2.3:a:libmspack_project:libmspack:0.7:alpha:*:*:*:*:*:*
- cpe:2.3:a:libmspack_project:libmspack:0.7.1:alpha:*:*:*:*:*:*
- cpe:2.3:a:cabextract_project:cabextract:*:*:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18584
2.65%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18584
| 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 | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-18584
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18584
-
https://usn.ubuntu.com/3814-1/
USN-3814-1: libmspack vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugs.debian.org/911640
#911640 - libmspack: CVE-2018-18584: CAB block input buffer is one byte too small for maximal Quantum block - Debian Bug report logsMailing List;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://github.com/kyz/libmspack/commit/40ef1b4093d77ad3a5cfcee1f5cb6108b3a3bcc2
CAB block input buffer is one byte too small for maximal Quantum block · kyz/libmspack@40ef1b4 · GitHubPatch;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;Third Party Advisory
-
https://www.cabextract.org.uk/#changes
cabextractProduct;Vendor Advisory
-
https://usn.ubuntu.com/3814-2/
USN-3814-2: ClamAV vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.starwindsoftware.com/security/sw-20181213-0001/
CVE-2018-18584 libmspack vulnerability in StarWind VSAN for vSphere (VSA)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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