CVE-2018-18584medium
Description
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.
References
https://www.openwall.com/lists/oss-security/2018/10/22/1
https://www.cabextract.org.uk/#changes
https://github.com/kyz/libmspack/commit/40ef1b4093d77ad3a5cfcee1f5cb6108b3a3bcc2
https://bugs.debian.org/911640
https://lists.debian.org/debian-lts-announce/2018/10/msg00017.html
https://usn.ubuntu.com/3814-2/
https://usn.ubuntu.com/3814-1/
https://usn.ubuntu.com/3814-3/
https://security.gentoo.org/glsa/201903-20
Details
Source: MITRE
Published: 2018-10-23
Updated: 2022-10-25
Type: CWE-787
Risk Information
CVSS v2
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
CVSS v3
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM