CVE-2015-8858 Regular Expression Denial of Service in uglify-js
Attackers can cause denial of service via CPU exhaustion in the uglify-js library using crafted input, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8858?
CVE-2015-8858 is a high-severity denial of service vulnerability in n/a, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The uglify-js package before 2.6.0 for Node.js allows attackers to cause a denial of service (CPU consumption) via crafted input in a parse call, aka a "regular expression denial of service (ReDoS)."
Weakness: CWE-399
Which versions are affected by CVE-2015-8858?
2 open source packages ship an affected version, including uglify-js. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
uglify-js npm | All versions | 2.6.0 |
uglify-js npm | All versions | 2.6.0 |
Products include Uglifyjs Project Uglifyjs.
How do I fix CVE-2015-8858?
Upgrade uglify-js to 2.6.0 or later.
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-2015-8858 being exploited?
There is no known exploitation of CVE-2015-8858 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2015-8858, GHSA-c9f4-xj24-8jqx, UBUNTU-CVE-2015-8858.