CVE-2018-14679 Denial of service in n/a
An off-by-one error in libmspack allows attackers to cause a denial of service via uninitialized data dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-14679?
CVE-2018-14679 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 28 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).
Weakness: CWE-193
Which versions are affected by CVE-2018-14679?
It affects 8 products.
Linux distribution packages (16)
clamav SUSE:HPE Helion OpenStack 8 | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Point of Sale 11 SP3 | All versions | 0.103.4-0.20.41.1 |
clamav SUSE:Linux Enterprise Server 11 SP4-LTSS | All versions | 0.103.4-0.20.41.1 |
clamav-openssl1 SUSE:Linux Enterprise Server 11-SECURITY | All versions | 0.103.4-0.20.41.1 |
clamav SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server 12 SP3-BCL | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server 12 SP3-LTSS | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server 12 SP4-LTSS | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server 12 SP5 | All versions | 0.103.4-3.12.1 |
clamav SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 0.103.4-33.41.1 |
clamav SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 0.103.4-3.12.1 |
clamav SUSE:OpenStack Cloud 8 | All versions | 0.103.4-33.41.1 |
clamav SUSE:OpenStack Cloud 9 | All versions | 0.103.4-33.41.1 |
clamav SUSE:OpenStack Cloud Crowbar 8 | All versions | 0.103.4-33.41.1 |
clamav SUSE:OpenStack Cloud Crowbar 9 | All versions | 0.103.4-33.41.1 |
Products include Cabextract Libmspack, Cabextract Project Cabextract, Canonical Ubuntu Linux, Debian Debian Linux, Redhat Ansible Tower, Redhat Enterprise Linux Desktop and 2 more.
How do I fix CVE-2018-14679?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-14679 being exploited?
There is no known exploitation of CVE-2018-14679 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-14679, DEBIAN-CVE-2018-14679, GHSA-jrp9-m5qh-vr83, SUSE-SU-2021:14850-1, SUSE-SU-2021:3853-1, SUSE-SU-2021:3859-1 and 1 more.