First published: Sat Aug 01 2015(Updated: )
Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted series of fragmented (1) IPv4 or (2) IPv6 packets, aka Bug ID CSCtd72617.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS XE Web UI | =2.1.0 | |
Cisco IOS XE Web UI | =2.1.1 | |
Cisco IOS XE Web UI | =2.1.2 | |
Cisco IOS XE Web UI | =2.2.1 | |
Cisco IOS XE Web UI | =2.2.2 | |
Cisco IOS XE Web UI | =2.2.3 | |
Cisco IOS XE Web UI | =2.3.0 | |
Cisco IOS XE Web UI | =2.3.0t | |
Cisco IOS XE Web UI | =2.3.1t | |
Cisco IOS XE Web UI | =2.3.2 | |
Cisco IOS XE Web UI | =2.4.0 | |
Cisco IOS XE Web UI | =2.4.1 | |
Cisco IOS XE Web UI | =2.5.0 |
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CVE-2015-4291 has a medium severity rating as it allows remote attackers to cause a denial of service.
To fix CVE-2015-4291, you should upgrade your Cisco IOS XE software to version 2.4.3 or later for 2.x versions and 2.5.1 or later for 2.5.x versions.
CVE-2015-4291 affects ASR 1000 devices running vulnerable versions of Cisco IOS XE.
Yes, CVE-2015-4291 can be exploited remotely using crafted fragmented IPv4 or IPv6 packets.
Exploitation of CVE-2015-4291 can lead to the crash of the Embedded Services Processor, causing denial of service.