CVE-2002-0886 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service on Cisco DSL CPE devices by sending large packets to DHCP or Telnet ports, exhausting memory.

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-2002-0886?

CVE-2002-0886 is a medium-severity denial of service vulnerability in n/a, published on 31 Aug 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.

Which versions are affected by CVE-2002-0886?

It affects 1 product.

Products include Cisco Cbos.

How do I fix CVE-2002-0886?

No fix has been published for CVE-2002-0886 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-2002-0886 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-0886 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-32p2-76xv-rj3g.

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