CVE-2019-11823 Denial of service in Synology Router Manager (SRM)
Remote attackers can cause a denial of service via crafted network traffic in Synology Router Manager, requiring an upgrade to fix.
- 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-2019-11823?
CVE-2019-11823 is a high-severity denial of service vulnerability in Synology Router Manager, published on 4 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CRLF injection vulnerability in Network Center in Synology Router Manager (SRM) before 1.2.3-8017-2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
Weakness: CWE-125
Which versions are affected by CVE-2019-11823?
It affects 1 product.
Products include Synology Router Manager.
How do I fix CVE-2019-11823?
No fix has been published for CVE-2019-11823 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-2019-11823 being exploited?
There is no known exploitation of CVE-2019-11823 in the wild and no public exploit code.
Other vulnerabilities in Synology Router Manager
- CVE-2023-32956 Command injection in Synology Router Manager (SRM)
- CVE-2020-27654 Command injection in Synology Router Manager (SRM)
- CVE-2020-27649 Security feature bypass in Synology Router Manager (SRM)
- CVE-2024-11398 Path traversal in Synology Router Manager (SRM)
- CVE-2023-32955 Command injection in Synology Router Manager (SRM)
Sources
Also known as GHSA-x39q-8mm3-jqpx.