CVE-2012-1820 Denial of service in n/a
Remote attackers with BGP peering access can crash the Quagga daemon by sending malformed ORF capability TLVs, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1820?
CVE-2012-1820 is a low-severity denial of service vulnerability in n/a, published on 13 Jun 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.
Which versions are affected by CVE-2012-1820?
It affects 1 product.
Products include Quagga Quagga.
How do I fix CVE-2012-1820?
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-2012-1820 being exploited?
There is no known exploitation of CVE-2012-1820 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DSA-2497-1, GHSA-mgpv-2w6f-2v7h.