high
7.8
CWE
20
Advisory Published
Updated

CVE-2016-1382: Input Validation

First published: Wed May 25 2016(Updated: )

Cisco AsyncOS before 8.5.3-069 and 8.6 through 8.8 on Web Security Appliance (WSA) devices mishandles memory allocation for HTTP requests, which allows remote attackers to cause a denial of service (proxy-process reload) via a crafted request, aka Bug ID CSCuu02529.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Web Security Appliance
Cisco Web Security Appliance S390=5.6.0-623
Cisco Web Security Appliance S390=6.0.0-000
Cisco Web Security Appliance S390=7.1.0
Cisco Web Security Appliance S390=7.1.1
Cisco Web Security Appliance S390=7.1.2
Cisco Web Security Appliance S390=7.1.3
Cisco Web Security Appliance S390=7.1.4
Cisco Web Security Appliance S390=7.5.0-000
Cisco Web Security Appliance S390=7.5.0-825
Cisco Web Security Appliance S390=7.5.1-000
Cisco Web Security Appliance S390=7.5.2-000
Cisco Web Security Appliance S390=7.7.0-000
Cisco Web Security Appliance S390=7.7.1-000
Cisco Web Security Appliance S390=8.0.0-000
Cisco Web Security Appliance S390=8.0.5
Cisco Web Security Appliance S390=8.0.6
Cisco Web Security Appliance S390=8.0.6-078
Cisco Web Security Appliance S390=8.0.6-119
Cisco Web Security Appliance S390=8.0.7
Cisco Web Security Appliance S390=8.0.7-142
Cisco Web Security Appliance S390=8.0.8-mr-113
Cisco Web Security Appliance S390=8.5.0-497
Cisco Web Security Appliance S390=8.5.0.000
Cisco Web Security Appliance S390=8.5.1-021
Cisco Web Security Appliance S390=8.5.2-024
Cisco Web Security Appliance S390=8.5.2-027
Cisco Web Security Appliance S390=8.5.3-055

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-1382?

    CVE-2016-1382 has been classified as a denial of service vulnerability.

  • How can I mitigate CVE-2016-1382?

    To fix CVE-2016-1382, update your Cisco Web Security Appliance to version 8.5.3-069 or later.

  • Which Cisco Web Security Appliance versions are affected by CVE-2016-1382?

    Versions prior to 8.5.3-069 and those from 8.6 to 8.8 are affected by CVE-2016-1382.

  • What type of attack does CVE-2016-1382 enable?

    CVE-2016-1382 allows remote attackers to cause a denial of service via specially crafted HTTP requests.

  • What is the impact of CVE-2016-1382 on affected devices?

    The impact of CVE-2016-1382 includes the potential for proxy-process reload leading to service disruption.

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