CVE-2015-0681 Denial of service in n/a

High 7.1 Published 24 Jul 2015 Updated 6 Aug 2024

Remote attackers can cause a denial of service on Cisco IOS devices by sending multiple TFTP requests that trigger improper memory management.

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-2015-0681?

CVE-2015-0681 is a high-severity denial of service vulnerability in Cisco Ios, published on 24 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The TFTP server in Cisco IOS 12.2(44)SQ1, 12.2(33)XN1, 12.4(25e)JAM1, 12.4(25e)JAO5m, 12.4(23)JY, 15.0(2)ED1, 15.0(2)EY3, 15.1(3)SVF4a, and 15.2(2)JB1 and IOS XE 2.5.x, 2.6.x, 3.1.xS, 3.2.xS, 3.3.xS, 3.4.xS, and 3.5.xS before 3.6.0S; 3.1.xSG, 3.2.xSG, and 3.3.xSG before 3.4.0SG; 3.2.xSE before 3.3.0SE; 3.2.xXO before 3.3.0XO; 3.2.xSQ; 3.3.xSQ; and 3.4.xSQ allows remote attackers to cause a denial of service (device hang or reload) via multiple requests that trigger improper memory management, aka Bug ID CSCts66733.

Weakness: CWE-399

Which versions are affected by CVE-2015-0681?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xe.

How do I fix CVE-2015-0681?

No fix has been published for CVE-2015-0681 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-2015-0681 being exploited?

There is no known exploitation of CVE-2015-0681 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-vfp8-xr5w-hr86.