CVE-2023-49967 Denial of service in n/a
An attacker can cause a denial of service in Typecho CMS by sending malicious XML data to the XMLRPC endpoint, triggering a quadratic blowup.
- 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-2023-49967?
CVE-2023-49967 is a high-severity denial of service vulnerability in n/a, published on 7 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the component /index.php/action/xmlrpc.
Weakness: CWE-776
Which versions are affected by CVE-2023-49967?
It affects 1 product.
Products include Typecho Typecho.
How do I fix CVE-2023-49967?
No fix has been published for CVE-2023-49967 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-49967 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-49967 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mx48-cppf-pvxc.