CVE-2016-10520 Regular Expression Denial of Service in jadedown
Attackers can cause a denial of service in the jadedown library by submitting specially crafted input that triggers excessive regular expression processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-10520?
CVE-2016-10520 is a high-severity denial of service vulnerability in HackerOne jadedown node module, published on 31 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
jadedown is vulnerable to regular expression denial of service (ReDoS) when certain types of user input is passed in.
Which versions are affected by CVE-2016-10520?
2 open source packages ship an affected version, including jadedown. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jadedown npm | All versions to 0.0.3 | None |
jadedown npm | All versions to 0.0.3 | None |
Products include Jadedown Project Jadedown.
How do I fix CVE-2016-10520?
No fix has been published for CVE-2016-10520 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-2016-10520 being exploited?
There is no known exploitation of CVE-2016-10520 in the wild and no public exploit code.
Sources
Also known as GHSA-6354-6mhv-mvv5.