7.1
CWE
Advisory Published
Updated

CVE-2007-0918

First published: Wed Feb 14 2007(Updated: )

The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Cisco IOS=12.3ym
Cisco IOS=12.3yq
Cisco IOS=12.3xr
Cisco IOS=12.4t
Cisco IOS=12.3ya
Cisco IOS=12.3xs
Cisco IOS=12.3xw
Cisco IOS=12.4mr
Cisco IOS=12.3yj
Cisco IOS=12.3t
Cisco IOS=12.3yd
Cisco IOS=12.3yk
Cisco IOS=12.3yt
Cisco IOS=12.3yz
Cisco IOS=12.3yg
Cisco IOS=12.3xy
Cisco IOS=12.4
Cisco IOS=12.4xa
Cisco IOS=12.3yx
Cisco IOS=12.3xq
Cisco IOS=12.3ys
Cisco IOS=12.3yh
Cisco IOS=12.4xb
Cisco IOS=12.3xx
Cisco IOS=12.3yi

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Frequently Asked Questions

  • What is the severity of CVE-2007-0918?

    CVE-2007-0918 has a high severity level as it can lead to a denial of service, potentially causing traffic loss and system crashes.

  • What versions of Cisco IOS are affected by CVE-2007-0918?

    CVE-2007-0918 affects multiple versions of Cisco IOS including 12.4XA, 12.3YA, 12.3T, and others.

  • How do I fix CVE-2007-0918?

    To resolve CVE-2007-0918, it is recommended to upgrade to a patched version of Cisco IOS as specified in Cisco's security advisories.

  • What potential impact does CVE-2007-0918 have?

    CVE-2007-0918 can cause a denial of service, which results in the Intrusion Prevention System crashing and loss of traffic.

  • Is there a workaround for CVE-2007-0918?

    Currently, there are no known effective workarounds for CVE-2007-0918; updating the software to a secure version is the best approach.

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