Vulnerability in Cisco iOS

CVE-2009-0635

Memory leak in the Cisco Tunneling Control Protocol (cTCP) encapsulation feature in Cisco IOS 12.4, when an Easy VPN (aka EZVPN) server is enabled, allows remote attackers to cause a denial of service (memory consumption and device crash) via a sequence of TCP packets.

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

Affected products

Cisco Ios — versions 12.4t, 12.4xz, 12.4ya
N/a — versions n/a

Weakness classification (CWE)

CWE-399

References

psirt@cisco.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)
psirt@cisco.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
psirt@cisco.com (vdb-entry, x_refsource_BID)
psirt@cisco.com (vdb-entry, x_refsource_XF)
psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (vdb-entry, x_refsource_VUPEN, Vendor Advisory)