CVE-2009-2871 Denial of service in n/a
Remote attackers can cause a denial of service via crafted packets in Cisco IOS when specific encryption features are enabled.
- 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-2009-2871?
CVE-2009-2871 is a high-severity denial of service vulnerability in Cisco Ios, published on 28 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unspecified vulnerability in Cisco IOS 12.2 and 12.4, when SSLVPN sessions, SSH sessions, or IKE encrypted nonces are enabled, allows remote attackers to cause a denial of service (device reload) via a crafted encrypted packet, aka Bug ID CSCsq24002.
Which versions are affected by CVE-2009-2871?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2009-2871?
No fix has been published for CVE-2009-2871 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-2009-2871 being exploited?
There is no known exploitation of CVE-2009-2871 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-w8mc-2j77-9pfm.