CVE-2013-5549 Denial of service in n/a
Remote attackers can cause a transmission outage in Cisco IOS XR route processors by sending fragmented IPv4 or IPv6 packets.
- 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-2013-5549?
CVE-2013-5549 is a high-severity denial of service vulnerability in Cisco Ios Xr, published on 25 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of service (transmission outage) via (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCuh30380.
Which versions are affected by CVE-2013-5549?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2013-5549?
No fix has been published for CVE-2013-5549 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-2013-5549 being exploited?
There is no known exploitation of CVE-2013-5549 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xr
- CVE-2020-3118 Cisco IOS XR Software Discovery Protocol Format String
- CVE-2020-3569 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2020-3566 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2010-3035 Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service
- CVE-2022-20821 Cisco IOS XR Open Port
Sources
Also known as GHSA-rmqj-585g-98v7.