CVE-2012-4999 Denial of service in n/a
Remote attackers can cause a denial of service on Mercury MR804 routers by sending crafted HTTP header fields.
- 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-2012-4999?
CVE-2012-4999 is a medium-severity denial of service vulnerability in n/a, published on 19 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since. NOTE: some of these details are obtained from third party information.
Weakness: CWE-20
Which versions are affected by CVE-2012-4999?
It affects 2 products.
Products include Mercurycom Mr804, Mercurycom Mr804 Firmware.
How do I fix CVE-2012-4999?
No fix has been published for CVE-2012-4999 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-2012-4999 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-4999 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-p5jq-469q-mxmf.