CVE-2015-4203 Race condition in n/a

Medium 5.4 Published Updated

Remote attackers can crash the PXF process on Cisco uBR10000 devices via malformed MPLS packets, causing denial of service.

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-2015-4203?

CVE-2015-4203 is a medium-severity vulnerability in Cisco Ios, published on 23 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.

Weakness: CWE-362

Which versions are affected by CVE-2015-4203?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2015-4203?

No fix has been published for CVE-2015-4203 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-4203 being exploited?

There is no known exploitation of CVE-2015-4203 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-mfgx-5384-69g8.

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