CVE-2015-0695 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service on Cisco ASR 9000 devices by triggering BVI interface usage when specific routing 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-2015-0695?

CVE-2015-0695 is a high-severity denial of service vulnerability in Cisco Ios Xr, published on 17 Apr 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.

Weakness: CWE-399, CWE-19

Which versions are affected by CVE-2015-0695?

It affects 1 product.

Products include Cisco Ios Xr.

How do I fix CVE-2015-0695?

No fix has been published for CVE-2015-0695 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-2015-0695 being exploited?

There is no known exploitation of CVE-2015-0695 in the wild and no public exploit code.

All Cisco Ios Xr vulnerabilities

Sources

Also known as GHSA-cgrr-qv6f-g8ww.

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