CVE-2015-6432
HighSummary
Cisco IOS XR versions 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 do not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates, allowing remote attackers to cause a denial of service (device reload) via a crafted update.
Risk Assessment
Attackers can exploit this vulnerability to remotely trigger a device reload, leading to service availability interruptions.
Recommendation
It is recommended to upgrade to the latest version of Cisco IOS XR that includes fixes for this vulnerability.
Other vulnerabilities in Cisco IOS XR
See all- CVE-2016-6428High
Cisco IOS XR version 6.1.1 allows local users to execute arbitrary OS commands as root by leveraging admin privileges.
- CVE-2016-1456High
The CLI in Cisco IOS XR versions 6.x through 6.0.1 allows local users to execute arbitrary OS commands in a privileged context by leveraging unspecified container access.
- CVE-2016-1407High
Cisco IOS XR versions up to 5.3.2 mishandle Local Packet Transport Services (LPTS) flow-based entries, allowing remote attackers to cause a denial of service (session drop) by making many connection attempts to open TCP ports.
- CVE-2015-0618High
Cisco IOS XR versions 5.0.1 and 5.2.1 on Network Convergence System 6000 devices and 5.1.3 and 5.1.4 on Carrier Routing System X devices allow remote attackers to cause a denial of service (line-card reload) via malformed IPv6 packets with extension headers.
- CVE-2014-3353High
Cisco IOS XR 4.3(.2) and earlier, used in Cisco Carrier Routing System (CRS), allows remote attackers to cause a denial of service by sending a malformed IPv6 packet.
Original NVD description (English source)
Cisco IOS XR 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 does not properly restrict the number of Path Computation Elements (PCEs) for OSPF LSA opaque area updates, which allows remote attackers to cause a denial of service (device reload) via a crafted update, aka Bug ID CSCuw83486.