CVE-2021-36567 Deserialization of Untrusted Data in topthink/framework
A deserialization vulnerability in ThinkPHP allows attackers to execute arbitrary code via the Flysystem cache component.
- 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-2021-36567?
CVE-2021-36567 is a critical unsafe deserialization vulnerability in n/a, published on 6 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache.
Weakness: CWE-502
Which versions are affected by CVE-2021-36567?
2 open source packages ship an affected version, including topthink/framework. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
topthink/framework Packagist | All versions to 6.0.8 | None |
topthink/framework Packagist | All versions to 6.0.8 | None |
Products include Thinkphp Thinkphp.
How do I fix CVE-2021-36567?
No fix has been published for CVE-2021-36567 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-36567 being exploited?
There is no known exploitation of CVE-2021-36567 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qrvj-274h-hfcg.