CVE-2013-4520 Denial of service in n/a
A denial of service vulnerability in libxslt allows attackers to crash the application via a malicious stylesheet with an embedded DTD.
- 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
- None listed
What is CVE-2013-4520?
CVE-2013-4520 is a medium-severity denial of service vulnerability in n/a, published on 14 Dec 2013. 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
xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.
Which versions are affected by CVE-2013-4520?
It affects 1 product.
Products include Xmlsoft Libxslt.
How do I fix CVE-2013-4520?
No fix has been published for CVE-2013-4520 yet. Limit exposure of the affected software until one is available.
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-2013-4520 being exploited?
There is no known exploitation of CVE-2013-4520 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-762m-frp4-phf3.