CVE-2009-1154

Published: Aug 21, 2009Modified: Apr 23, 2026

3.3

Vector

AV:N/AC:L/Au:M/C:N/I:N/A:P

Exploitability: 6.4 / Impact: 2.9

Source: NVD

Description

Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.

Affected (19)

Products: Cisco: Ios Xr

Cisco

1 product

Ios Xr

Configuration A

19 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios Xr	Up to 3.8.1
Cisco Ios Xr	Version 3.4.0
Cisco Ios Xr	Version 3.4.1
Cisco Ios Xr	Version 3.4.2
Cisco Ios Xr	Version 3.4.3
Cisco Ios Xr	Version 3.4
Cisco Ios Xr	Version 3.5.2
Cisco Ios Xr	Version 3.5.3
Cisco Ios Xr	Version 3.5.4
Cisco Ios Xr	Version 3.5
Cisco Ios Xr	Version 3.6.0
Cisco Ios Xr	Version 3.6.1
Cisco Ios Xr	Version 3.6.2
Cisco Ios Xr	Version 3.6.3
Cisco Ios Xr	Version 3.7.0
Cisco Ios Xr	Version 3.7.1
Cisco Ios Xr	Version 3.7.2
Cisco Ios Xr	Version 3.7.3
Cisco Ios Xr	Version 3.8.0

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (4)

http://securitytracker.com/id?1022756

Source: psirt@cisco.com

http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml

Source: psirt@cisco.com

PatchVendor Advisory

http://securitytracker.com/id?1022756

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.