CVE-2019-13956 Code injection in n/a
Remote attackers can execute arbitrary PHP code by manipulating the language cookie in Discuz!ML forums.
- 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-2019-13956?
CVE-2019-13956 is a critical code injection vulnerability in n/a, published on 18 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).
Weakness: CWE-94
Which versions are affected by CVE-2019-13956?
It affects 1 product.
Products include Codersclub Discuz\!ml.
How do I fix CVE-2019-13956?
No fix has been published for CVE-2019-13956 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-13956 being exploited?
There is no known exploitation of CVE-2019-13956 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-j4hg-2fjr-f8m9.