CVE-2007-1995 Denial of service in n/a
Remote attackers can crash the Quagga BGP daemon by sending crafted UPDATE messages with invalid length values in MP_REACH_NLRI and MP_UNREACH_NLRI attributes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-1995?
CVE-2007-1995 is a medium-severity denial of service vulnerability in n/a, published on 12 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
bgpd/bgp_attr.c in Quagga 0.98.6 and earlier, and 0.99.6 and earlier 0.99 versions, does not validate length values in the MP_REACH_NLRI and MP_UNREACH_NLRI attributes, which allows remote attackers to cause a denial of service (daemon crash or exit) via crafted UPDATE messages that trigger an assertion error or out of bounds read.
Weakness: CWE-20
Which versions are affected by CVE-2007-1995?
It affects 1 product.
Linux distribution packages (30)
quagga Red Hat:enterprise_linux:3::as | All versions | 0:0.96.2-12.3E |
quagga-debuginfo Red Hat:enterprise_linux:3::as | All versions | 0:0.96.2-12.3E |
quagga Red Hat:enterprise_linux:3::es | All versions | 0:0.96.2-12.3E |
quagga-debuginfo Red Hat:enterprise_linux:3::es | All versions | 0:0.96.2-12.3E |
quagga Red Hat:enterprise_linux:4::as | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-contrib Red Hat:enterprise_linux:4::as | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-debuginfo Red Hat:enterprise_linux:4::as | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-devel Red Hat:enterprise_linux:4::as | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga Red Hat:enterprise_linux:4::desktop | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-contrib Red Hat:enterprise_linux:4::desktop | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-debuginfo Red Hat:enterprise_linux:4::desktop | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-devel Red Hat:enterprise_linux:4::desktop | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga Red Hat:enterprise_linux:4::es | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-contrib Red Hat:enterprise_linux:4::es | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-debuginfo Red Hat:enterprise_linux:4::es | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-devel Red Hat:enterprise_linux:4::es | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga Red Hat:enterprise_linux:4::ws | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-contrib Red Hat:enterprise_linux:4::ws | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-debuginfo Red Hat:enterprise_linux:4::ws | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga-devel Red Hat:enterprise_linux:4::ws | All versions | 0:0.98.3-2.4.0.1.el4 |
quagga Red Hat:enterprise_linux:5::client | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-contrib Red Hat:enterprise_linux:5::client | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-debuginfo Red Hat:enterprise_linux:5::client | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga Red Hat:enterprise_linux:5::client_workstation | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-devel Red Hat:enterprise_linux:5::client_workstation | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga Red Hat:enterprise_linux:5::server | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-contrib Red Hat:enterprise_linux:5::server | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:0.98.6-2.1.0.1.el5 |
quagga-devel Red Hat:enterprise_linux:5::server | All versions | 0:0.98.6-2.1.0.1.el5 |
Products include Quagga Quagga.
How do I fix CVE-2007-1995?
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-2007-1995 being exploited?
There is no known exploitation of CVE-2007-1995 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DSA-1293-1, GHSA-83w3-xxm9-4ff8, RHSA-2007:0389.