CVE-2009-0629 Denial of service in n/a

Medium 5.4 Published 27 Mar 2009 Updated 7 Aug 2024

Remote attackers can cause a denial of service via crafted TCP packets in multiple Cisco IOS features, requiring network administrators to apply vendor patches.

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-2009-0629?

CVE-2009-0629 is a medium-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) Airline Product Set (aka ALPS), (2) Serial Tunnel Code (aka STUN), (3) Block Serial Tunnel Code (aka BSTUN), (4) Native Client Interface Architecture (NCIA) support, (5) Data-link switching (aka DLSw), (6) Remote Source-Route Bridging (RSRB), (7) Point to Point Tunneling Protocol (PPTP), (8) X.25 for Record Boundary Preservation (RBP), (9) X.25 over TCP (XOT), and (10) X.25 Routing features in Cisco IOS 12.2 and 12.4 allows remote attackers to cause a denial of service (device reload) via a series of crafted TCP packets.

Which versions are affected by CVE-2009-0629?

It affects 2 products.

Products include Cisco Ios, Cisco Ios Xr.

How do I fix CVE-2009-0629?

No fix has been published for CVE-2009-0629 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-2009-0629 being exploited?

There is no known exploitation of CVE-2009-0629 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-x6xf-5q35-j8vr.