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CVE-2013-5479

nvd nist
Published: Sep 27, 2013Modified: Apr 29, 2026

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7.8
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Exploitability: 10.0 / Impact: 6.9
Source: NVD

Description

The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.

Affected (5)

Products: Cisco: Ios
Cisco
1 product
Ios
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Cisco
Ios
Version 12.2
Ios
Version 15.0
Ios
Version 15.1
Ios
Version 15.2
Ios
Version 15.3

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (2)

Source: psirt@cisco.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.