CVE-2011-1907 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND by sending a specific RRSIG query when Response Policy Zones are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1907?
CVE-2011-1907 is a medium-severity denial of service vulnerability in Isc Bind, published on 9 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ISC BIND 9.8.x before 9.8.0-P1, when Response Policy Zones (RPZ) RRset replacement is enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an RRSIG query.
Weakness: CWE-399
Which versions are affected by CVE-2011-1907?
It affects 1 product.
Products include Isc Bind.
How do I fix CVE-2011-1907?
Upgrade to a fixed version.
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-2011-1907 being exploited?
There is no known exploitation of CVE-2011-1907 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2011-1907, GHSA-2j8v-wf82-m8qv.