CVE-2017-5543 Subrion CMS PHP Object Injection
Remote attackers can execute arbitrary code via PHP object injection in Subrion CMS by sending crafted serialized data in a login cookie.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5543?
CVE-2017-5543 is a critical unsafe deserialization vulnerability in n/a, published on 20 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
includes/classes/ia.core.users.php in Subrion CMS 4.0.5 allows remote attackers to conduct PHP Object Injection attacks via crafted serialized data in a salt cookie in a login request.
Weakness: CWE-94
Which versions are affected by CVE-2017-5543?
2 open source packages ship an affected version, including intelliants/subrion. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
intelliants/subrion Packagist | From 4.0.5 | 4.1.0 |
intelliants/subrion Packagist | From 4.0.5 | 4.1.0 |
Products include Intelliants Subrion.
How do I fix CVE-2017-5543?
Upgrade intelliants/subrion to 4.1.0 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2017-5543 being exploited?
There is no known exploitation of CVE-2017-5543 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4j79-4m6q-77vf.