CVE-2015-4467 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted CHM file due to improper validation in libmspack.
- 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-2015-4467?
CVE-2015-4467 is a medium-severity denial of service vulnerability in n/a, published on 11 Jun 2015. 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
The chmd_init_decomp function in chmd.c in libmspack before 0.5 does not properly validate the reset interval, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted CHM file.
Weakness: CWE-189
Which versions are affected by CVE-2015-4467?
It affects 1 product.
Products include Libmspack Project Libmspack.
How do I fix CVE-2015-4467?
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-2015-4467 being exploited?
There is no known exploitation of CVE-2015-4467 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2015-4467, GHSA-m3p3-3q23-v7x3, UBUNTU-CVE-2015-4467.