CVE-2023-6654 PHPEMS Session Data session.cls.php deserialization
Remote attackers can exploit unsafe deserialization in PHPEMS session handling to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-6654?
CVE-2023-6654 is a medium-severity unsafe deserialization vulnerability in PHPEMS, published on 10 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical was found in PHPEMS 6.x/7.x/8.x/9.0. Affected by this vulnerability is an unknown functionality in the library lib/session.cls.php of the component Session Data Handler. The manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247357 was assigned to this vulnerability.
Weakness: CWE-502
Which versions are affected by CVE-2023-6654?
2 open source packages ship an affected version, including phpems/phpems. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phpems/phpems Packagist | From 6.0.0 to 6.1.3 | None |
phpems/phpems Packagist | From 6.0.0 to 6.1.3 | None |
Products include Phpems Phpems.
How do I fix CVE-2023-6654?
No fix has been published for CVE-2023-6654 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-2023-6654 being exploited?
There is no known exploitation of CVE-2023-6654 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in PHPEMS
Sources
Also known as GHSA-5rv2-vvmf-f7w8.