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 Software | Affected Version | How 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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