CVE-2009-0630 Denial of service in n/a

High 7.1 Published 27 Mar 2009 Updated 7 Aug 2024

Remote attackers can cause a denial of service in Cisco IOS via crafted TCP packets due to improper IP socket handling.

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-2009-0630?

CVE-2009-0630 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The (1) Cisco Unified Communications Manager Express; (2) SIP Gateway Signaling Support Over Transport Layer Security (TLS) Transport; (3) Secure Signaling and Media Encryption; (4) Blocks Extensible Exchange Protocol (BEEP); (5) Network Admission Control HTTP Authentication Proxy; (6) Per-user URL Redirect for EAPoUDP, Dot1x, and MAC Authentication Bypass; (7) Distributed Director with HTTP Redirects; and (8) TCP DNS features in Cisco IOS 12.0 through 12.4 do not properly handle IP sockets, which allows remote attackers to cause a denial of service (outage or resource consumption) via a series of crafted TCP packets.

Which versions are affected by CVE-2009-0630?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2009-0630?

No fix has been published for CVE-2009-0630 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-2009-0630 being exploited?

There is no known exploitation of CVE-2009-0630 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-jc4c-fgp6-8m4x.