Vulnerability Details : CVE-2018-0132

A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (RIB) and the FIB, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of extremely long routing updates. An attacker could exploit this vulnerability by sending a large routing update. A successful exploit could allow the attacker to trigger inconsistency between the FIB and the RIB, resulting in a DoS condition. Cisco Bug IDs: CSCus84718.
Published 2018-02-08 07:29:01
Updated 2019-10-09 23:31:18
Source Cisco Systems, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2018-0132

Exploit prediction scoring system (EPSS) score for CVE-2018-0132

EPSS FAQ
1.41%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0132

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
8.6
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
3.9
4.0
 NIST

CWE ids for CVE-2018-0132

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by:
    • nvd@nist.gov (Primary)
    • ykramarz@cisco.com (Secondary)

References for CVE-2018-0132

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