CVE-2012-5030 Denial of service in n/a
Remote authenticated users can cause a denial of service by walking specific SNMP objects due to an uninitialized variable in Cisco IOS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-5030?
CVE-2012-5030 is a medium-severity denial of service vulnerability in Cisco Ios, published on 2 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cisco IOS before 15.2(4)S6 does not initialize an unspecified variable, which might allow remote authenticated users to cause a denial of service (CPU consumption, watchdog timeout, crash) by walking specific SNMP objects.
Weakness: CWE-399
Which versions are affected by CVE-2012-5030?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2012-5030?
No fix has been published for CVE-2012-5030 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-2012-5030 being exploited?
There is no known exploitation of CVE-2012-5030 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-v7mr-hr8w-3wjq.