CVE-2021-36567

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache

published December 6, 2021

CVSS
β€”
EPSS
2%
Percentile
84.5
In the wild
Unconfirmed
What it is

⚠️ A sneaky deserialization flaw in ThinkPHP v6.0.8 could let a crafty attacker manipulate your data without breaking a sweat! πŸ” Think of this vulnerability like a restaurant that serves mystery boxes for dinner. If the chef doesn't check what's inside, someone could sneak in a dish that's anything but tasty – or worse, harmful! 🍽️ With this vulnerability, an attacker could potentially craft malicious input that gets deserialized, leading to unwanted actions or data manipulation. While it hasn't been exploited yet, the possibilities are enough to raise eyebrows in any security team. πŸ”’

Put simply

Think of this vulnerability like a restaurant that serves mystery boxes for dinner. If the chef doesn't check what's inside, someone could sneak in a dish that's anything but tasty – or worse, harmful! 🍽️ The flaw lies in the deserialization process via League\Flysystem\Cached\Storage\AbstractCache, allowing attackers to manipulate data flow if they can control the serialized input.

What to do

With this vulnerability, an attacker could potentially craft malicious input that gets deserialized, leading to unwanted actions or data manipulation. While it hasn't been exploited yet, the possibilities are enough to raise eyebrows in any security team. πŸ”’ To mitigate this, it's crucial to upgrade ThinkPHP to a version beyond 6.0.8. Additionally, review your deserialization processes to ensure they can handle unexpected input safely. πŸ› οΈ Don't worry! You can fix this by following the steps above and keeping your applications secure. You've got this! πŸ¦Έβ€β™‚οΈ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02486 Β· 84.5th percentile
Published
2021-12-06T20:22Z
EPSS history
Timeline
  • 06 DEC 20:22Z
    ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache
    cvelistv5