CVE-2007-0494 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND by sending a specific DNS query response, requiring DNSSEC validation to be 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-2007-0494?
CVE-2007-0494 is a medium-severity denial of service vulnerability in Isc Bind, published on 25 Jan 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ISC BIND 9.0.x, 9.1.x, 9.2.0 up to 9.2.7, 9.3.0 up to 9.3.3, 9.4.0a1 up to 9.4.0a6, 9.4.0b1 up to 9.4.0b4, 9.4.0rc1, and 9.5.0a1 (Bind Forum only) allows remote attackers to cause a denial of service (exit) via a type * (ANY) DNS query response that contains multiple RRsets, which triggers an assertion error, aka the "DNSSEC Validation" vulnerability.
Weakness: CWE-19
Which versions are affected by CVE-2007-0494?
It affects 1 product.
Linux distribution packages (40)
bind Red Hat:enterprise_linux:2.1::as | All versions | 0:9.2.1-8.EL2 |
bind-devel Red Hat:enterprise_linux:2.1::as | All versions | 0:9.2.1-8.EL2 |
bind-utils Red Hat:enterprise_linux:2.1::as | All versions | 0:9.2.1-8.EL2 |
bind Red Hat:enterprise_linux:2.1::aw | All versions | 0:9.2.1-8.EL2 |
bind-devel Red Hat:enterprise_linux:2.1::aw | All versions | 0:9.2.1-8.EL2 |
bind-utils Red Hat:enterprise_linux:2.1::aw | All versions | 0:9.2.1-8.EL2 |
bind Red Hat:enterprise_linux:2.1::es | All versions | 0:9.2.1-8.EL2 |
bind-devel Red Hat:enterprise_linux:2.1::es | All versions | 0:9.2.1-8.EL2 |
bind-utils Red Hat:enterprise_linux:2.1::es | All versions | 0:9.2.1-8.EL2 |
bind Red Hat:enterprise_linux:2.1::ws | All versions | 0:9.2.1-8.EL2 |
bind-devel Red Hat:enterprise_linux:2.1::ws | All versions | 0:9.2.1-8.EL2 |
bind-utils Red Hat:enterprise_linux:2.1::ws | All versions | 0:9.2.1-8.EL2 |
bind Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind-chroot Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind-debuginfo Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind-devel Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind-libs Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind-utils Red Hat:enterprise_linux:3::as | All versions | 20:9.2.4-20.EL3 |
bind Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind-chroot Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind-debuginfo Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind-devel Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind-libs Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind-utils Red Hat:enterprise_linux:3::desktop | All versions | 20:9.2.4-20.EL3 |
bind Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind-chroot Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind-debuginfo Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind-devel Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind-libs Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind-utils Red Hat:enterprise_linux:3::es | All versions | 20:9.2.4-20.EL3 |
bind Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind-chroot Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind-debuginfo Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind-devel Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind-libs Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind-utils Red Hat:enterprise_linux:3::ws | All versions | 20:9.2.4-20.EL3 |
bind Red Hat:enterprise_linux:4::as | All versions | 20:9.2.4-24.EL4 |
bind-chroot Red Hat:enterprise_linux:4::as | All versions | 20:9.2.4-24.EL4 |
bind-debuginfo Red Hat:enterprise_linux:4::as | All versions | 20:9.2.4-24.EL4 |
bind-devel Red Hat:enterprise_linux:4::as | All versions | 20:9.2.4-24.EL4 |
Products include Isc Bind.
How do I fix CVE-2007-0494?
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-2007-0494 being exploited?
There is no known exploitation of CVE-2007-0494 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2007-0494, DSA-1254-1, GHSA-vhvp-gwh8-h6v7, RHSA-2007:0044.