CVE-2010-3035 Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service
Remote attackers can cause a denial of service by sending crafted BGP prefix announcements with unrecognized transitive attributes.
- Exploited in the wild
- Since 25 Mar 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-3035?
CVE-2010-3035 is a high-severity denial of service vulnerability in Cisco Ios Xr, published on 30 Aug 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
Which versions are affected by CVE-2010-3035?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2010-3035?
No fix has been published for CVE-2010-3035 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 15 Apr 2022.
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-2010-3035 being exploited?
Yes. Attackers have exploited CVE-2010-3035 in the wild since at least 25 Mar 2022.
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-2022-20821 Cisco IOS XR Open Port
- CVE-2009-2055 Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service
Sources
Also known as GHSA-9q29-g37m-5wmp.