CWE
399
Advisory Published
Updated

CVE-2015-4293

First published: Thu Jul 30 2015(Updated: )

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE=2.1.0
Cisco IOS XE=2.1.1
Cisco IOS XE=2.1.2
Cisco IOS XE=2.2.1
Cisco IOS XE=2.2.2
Cisco IOS XE=2.2.3
Cisco IOS XE=2.3.0
Cisco IOS XE=2.3.0t
Cisco IOS XE=2.3.1t
Cisco IOS XE=2.3.2
Cisco IOS XE=2.4.0
Cisco IOS XE=2.4.1
Cisco IOS XE=2.5.0
Cisco IOS XE=2.5.1
Cisco IOS XE=2.5.2
Cisco IOS XE=2.6.0
Cisco IOS XE=2.6.1
Cisco IOS XE=2.6.2
Cisco IOS XE=3.10s.0
Cisco IOS XE=3.10s.0a
Cisco IOS XE=3.10s.1
Cisco IOS XE=3.10s.2
Cisco IOS XE=3.10s.3
Cisco IOS XE=3.11s.0
Cisco IOS XE=3.11s.1
Cisco IOS XE=3.11s.2
Cisco IOS XE=3.12s.0
Cisco IOS XE=3.12s.1
Cisco IOS XE=3.13s.0

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