GHSA-pv6r-vchh-cxg9 Denial of Service in apostrophe
An attacker can exhaust server memory by starting numerous jobs, causing a denial of service in Apostrophe CMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-pv6r-vchh-cxg9?
GHSA-pv6r-vchh-cxg9 is a denial of service vulnerability in apostrophe, published on 3 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Versions of apostrophe prior to 2.97.1 are vulnerable to Denial of Service. The apostrophe-jobs module sets a callback for incoming jobs and doesn't clear it regardless of its status. This causes the server to accumulate callbacks, allowing an attacker to start a large number of jobs and exhaust system memory.
Recommendation
Upgrade to version 2.97.1 or later.
Which versions are affected by GHSA-pv6r-vchh-cxg9?
2 open source packages ship an affected version, including apostrophe.
| Package | Affected | Fixed in |
|---|---|---|
apostrophe npm | All versions | 2.97.1 |
apostrophe npm | All versions | 2.97.1 |
How do I fix GHSA-pv6r-vchh-cxg9?
Upgrade apostrophe to 2.97.1 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 GHSA-pv6r-vchh-cxg9 being exploited?
There is no known exploitation of GHSA-pv6r-vchh-cxg9 in the wild and no public exploit code.