CVE-2015-0593 Denial of service in n/a

High 7.1 Published Updated

Remote attackers can cause a device reload via crafted traffic due to improper session management in Cisco IOS Zone-Based Firewall.

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-2015-0593?

CVE-2015-0593 is a high-severity denial of service vulnerability in Cisco Ios, published on 13 Feb 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Zone-Based Firewall implementation in Cisco IOS 12.4(122)T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service (device reload) via crafted network traffic, aka Bug ID CSCul65003.

Weakness: CWE-399

Which versions are affected by CVE-2015-0593?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2015-0593?

No fix has been published for CVE-2015-0593 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-2015-0593 being exploited?

There is no known exploitation of CVE-2015-0593 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-j249-cxw7-qwrr.

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