CVE-2015-4285 Denial of service in n/a
Remote attackers can cause denial of service on Cisco ASR9k devices by sending continuous traffic to incorrectly opened TCP and UDP ports.
- 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-2015-4285?
CVE-2015-4285 is a medium-severity denial of service vulnerability in Cisco Ios Xr, published on 23 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Local Packet Transport Services (LPTS) implementation in Cisco IOS XR 5.1.2, 5.1.3, 5.2.1, and 5.2.2 on ASR9k devices makes incorrect decisions about the opening of TCP and UDP ports during the processing of flow base entries, which allows remote attackers to cause a denial of service (resource consumption) by sending traffic to these ports continuously, aka Bug ID CSCur88273.
Weakness: CWE-399
Which versions are affected by CVE-2015-4285?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2015-4285?
No fix has been published for CVE-2015-4285 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-2015-4285 being exploited?
There is no known exploitation of CVE-2015-4285 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-fx7w-42hf-7jg6.