Buffer overflow in Cisco iOS Xr

CVE-2009-1154

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.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.3th percentile) — read the EPSS interpretation.

Affected products

Cisco Ios_xr — versions 3.4, 3.4.0, 3.4.1
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)