CVE-2013-2686: Buffer Overflow

Published Mar 29, 2013
·
Updated

main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones does not properly restrict Content-Length values, which allows remote attackers to conduct stack-consumption attacks and cause a denial of service (daemon crash) via a crafted HTTP POST request. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-5976.

Affected Software

232 affected components
Asterisk Open Source=1.8.0
Asterisk Open Source=1.8.0-beta1
Asterisk Open Source=1.8.0-beta2
Asterisk Open Source=1.8.0-beta3
Asterisk Open Source=1.8.0-beta4
Asterisk Open Source=1.8.0-beta5
Asterisk Open Source=1.8.0-rc2
Asterisk Open Source=1.8.0-rc3
Asterisk Open Source=1.8.0-rc4
Asterisk Open Source=1.8.0-rc5
Asterisk Open Source=1.8.1
Asterisk Open Source=1.8.1-rc1
Asterisk Open Source=1.8.1.1
Asterisk Open Source=1.8.1.2
Asterisk Open Source=1.8.2
Asterisk Open Source=1.8.2-rc1
Asterisk Open Source=1.8.2.1
Asterisk Open Source=1.8.2.2
Asterisk Open Source=1.8.2.3
Asterisk Open Source=1.8.2.4
Asterisk Open Source=1.8.3
Asterisk Open Source=1.8.3-rc1
Asterisk Open Source=1.8.3-rc2
Asterisk Open Source=1.8.3-rc3
Asterisk Open Source=1.8.3.1
Asterisk Open Source=1.8.3.2
Asterisk Open Source=1.8.3.3
Asterisk Open Source=1.8.4
Asterisk Open Source=1.8.4-rc1
Asterisk Open Source=1.8.4-rc2
Asterisk Open Source=1.8.4-rc3
Asterisk Open Source=1.8.4.1
Asterisk Open Source=1.8.4.2
Asterisk Open Source=1.8.4.3
Asterisk Open Source=1.8.4.4
Asterisk Open Source=1.8.5-rc1
Asterisk Open Source=1.8.5.0
Asterisk Open Source=1.8.6.0
Asterisk Open Source=1.8.6.0-rc1
Asterisk Open Source=1.8.6.0-rc2
Asterisk Open Source=1.8.6.0-rc3
Asterisk Open Source=1.8.7.0
Asterisk Open Source=1.8.7.0-rc1
Asterisk Open Source=1.8.7.0-rc2
Asterisk Open Source=1.8.7.1
Asterisk Open Source=1.8.7.2
Asterisk Open Source=1.8.8.0
Asterisk Open Source=1.8.8.0-rc1
Asterisk Open Source=1.8.8.0-rc2
Asterisk Open Source=1.8.8.0-rc3
Asterisk Open Source=1.8.8.0-rc4
Asterisk Open Source=1.8.8.0-rc5
Asterisk Open Source=1.8.8.1
Asterisk Open Source=1.8.8.2
Asterisk Open Source=1.8.9.0
Asterisk Open Source=1.8.9.0-rc1
Asterisk Open Source=1.8.9.0-rc2
Asterisk Open Source=1.8.9.0-rc3
Asterisk Open Source=1.8.9.1
Asterisk Open Source=1.8.9.2
Asterisk Open Source=1.8.9.3
Asterisk Open Source=1.8.10.0
Asterisk Open Source=1.8.10.0-rc1
Asterisk Open Source=1.8.10.0-rc2
Asterisk Open Source=1.8.10.0-rc3
Asterisk Open Source=1.8.10.0-rc4
Asterisk Open Source=1.8.10.1
Asterisk Open Source=1.8.11.0
Asterisk Open Source=1.8.11.0-rc2
Asterisk Open Source=1.8.11.0-rc3
Asterisk Open Source=1.8.11.1
Asterisk Open Source=1.8.12
Asterisk Open Source=1.8.12.0-rc1
Asterisk Open Source=1.8.12.0-rc2
Asterisk Open Source=1.8.12.0-rc3
Asterisk Open Source=1.8.12.1
Asterisk Open Source=1.8.12.2
Asterisk Open Source=1.8.13.0
Asterisk Open Source=1.8.13.0-rc1
Asterisk Open Source=1.8.13.0-rc2
Asterisk Open Source=1.8.13.1
Asterisk Open Source=1.8.14.0
Asterisk Open Source=1.8.14.0-rc1
Asterisk Open Source=1.8.14.0-rc2
Asterisk Open Source=1.8.14.1
Asterisk Open Source=1.8.15.0
Asterisk Open Source=1.8.15.0-rc1
Asterisk Open Source=1.8.15.1
Asterisk Open Source=1.8.16.0
Asterisk Open Source=1.8.16.0-rc1
Asterisk Open Source=1.8.16.0-rc2
Asterisk Open Source=1.8.17.0
Asterisk Open Source=1.8.17.0-rc1
Asterisk Open Source=1.8.17.0-rc2
Asterisk Open Source=1.8.17.0-rc3
Asterisk Open Source=1.8.18.0
Asterisk Open Source=1.8.18.0-rc1
Asterisk Open Source=1.8.18.1
Asterisk Open Source=1.8.19.0
Asterisk Open Source=1.8.19.0-rc1
Asterisk Open Source=1.8.19.0-rc3
Asterisk Open Source=1.8.19.1
Asterisk Open Source=1.8.20.0
Asterisk Open Source=1.8.20.0-rc1
Asterisk Open Source=1.8.20.0-rc2
Asterisk Open Source=1.8.20.1
Asterisk Open Source=10.0.0
Asterisk Open Source=10.0.0-beta1
Asterisk Open Source=10.0.0-beta2
Asterisk Open Source=10.0.0-rc1
Asterisk Open Source=10.0.0-rc2
Asterisk Open Source=10.0.0-rc3
Asterisk Open Source=10.0.1
Asterisk Open Source=10.1.0
Asterisk Open Source=10.1.0-rc1
Asterisk Open Source=10.1.0-rc2
Asterisk Open Source=10.1.1
Asterisk Open Source=10.1.2
Asterisk Open Source=10.1.3
Asterisk Open Source=10.2.0
Asterisk Open Source=10.2.0-rc1
Asterisk Open Source=10.2.0-rc2
Asterisk Open Source=10.2.0-rc3
Asterisk Open Source=10.2.0-rc4
Asterisk Open Source=10.2.1
Asterisk Open Source=10.3.0
Asterisk Open Source=10.3.0-rc2
Asterisk Open Source=10.3.0-rc3
Asterisk Open Source=10.3.1
Asterisk Open Source=10.4.0
Asterisk Open Source=10.4.0-rc1
Asterisk Open Source=10.4.0-rc2
Asterisk Open Source=10.4.0-rc3
Asterisk Open Source=10.4.1
Asterisk Open Source=10.4.2
Asterisk Open Source=10.5.0
Asterisk Open Source=10.5.0-rc1
Asterisk Open Source=10.5.0-rc2
Asterisk Open Source=10.5.1
Asterisk Open Source=10.5.2
Asterisk Open Source=10.6.0
Asterisk Open Source=10.6.0-rc1
Asterisk Open Source=10.6.0-rc2
Asterisk Open Source=10.6.1
Asterisk Open Source=10.7.0
Asterisk Open Source=10.7.0-rc1
Asterisk Open Source=10.7.1
Asterisk Open Source=10.8.0
Asterisk Open Source=10.8.0-rc1
Asterisk Open Source=10.8.0-rc2
Asterisk Open Source=10.9.0
Asterisk Open Source=10.9.0-rc1
Asterisk Open Source=10.9.0-rc2
Asterisk Open Source=10.9.0-rc3
Asterisk Open Source=10.10.0
Asterisk Open Source=10.10.0-rc1
Asterisk Open Source=10.10.0-rc2
Asterisk Open Source=10.10.1
Asterisk Open Source=10.11.0
Asterisk Open Source=10.11.0-rc1
Asterisk Open Source=10.11.0-rc3
Asterisk Open Source=10.11.1
Asterisk Open Source=10.12.0
Asterisk Open Source=10.12.0-rc1
Asterisk Open Source=10.12.0-rc2
Asterisk Open Source=10.12.1
Asterisk Open Source=11.0.0
Asterisk Open Source=11.0.0-beta1
Asterisk Open Source=11.0.0-beta2
Asterisk Open Source=11.0.0-rc1
Asterisk Open Source=11.0.0-rc2
Asterisk Open Source=11.0.1
Asterisk Open Source=11.0.2
Asterisk Open Source=11.1.0
Asterisk Open Source=11.1.0-rc1
Asterisk Open Source=11.1.0-rc3
Asterisk Open Source=11.1.1
Asterisk Open Source=11.1.2
Asterisk Open Source=11.2.0
Asterisk Open Source=11.2.0-rc1
Asterisk Open Source=11.2.0-rc2
Asterisk Open Source=11.2.1
Asterisk Certified Asterisk=1.8.15-cert1
Asterisk Certified Asterisk=1.8.15-cert1
Asterisk Certified Asterisk=1.8.15-cert1
Asterisk Certified Asterisk=1.8.15-cert1
Asterisk Certified Asterisk=1.8.15.0
Asterisk Certified Asterisk=1.8.15.0-rc1
Asterisk Digiumphones=10.0.0
Asterisk Digiumphones=10.0.0-beta1
Asterisk Digiumphones=10.0.0-beta2
Asterisk Digiumphones=10.0.0-rc1
Asterisk Digiumphones=10.0.0-rc2
Asterisk Digiumphones=10.0.0-rc3
Asterisk Digiumphones=10.1.0
Asterisk Digiumphones=10.1.0-rc1
Asterisk Digiumphones=10.1.0-rc2
Asterisk Digiumphones=10.2.0
Asterisk Digiumphones=10.2.0-rc1
Asterisk Digiumphones=10.2.0-rc2
Asterisk Digiumphones=10.2.0-rc3
Asterisk Digiumphones=10.2.0-rc4
Asterisk Digiumphones=10.3.0
Asterisk Digiumphones=10.3.0-rc2
Asterisk Digiumphones=10.3.0-rc3
Asterisk Digiumphones=10.4.0
Asterisk Digiumphones=10.4.0-rc1
Asterisk Digiumphones=10.4.0-rc2
Asterisk Digiumphones=10.4.0-rc3
Asterisk Digiumphones=10.5.0
Asterisk Digiumphones=10.5.0-rc1
Asterisk Digiumphones=10.5.0-rc2
Asterisk Digiumphones=10.6.0
Asterisk Digiumphones=10.6.0-rc1
Asterisk Digiumphones=10.6.0-rc2
Asterisk Digiumphones=10.7.0
Asterisk Digiumphones=10.7.0-rc1
Asterisk Digiumphones=10.8.0
Asterisk Digiumphones=10.8.0-rc1
Asterisk Digiumphones=10.8.0-rc2
Asterisk Digiumphones=10.9.0-rc1
Asterisk Digiumphones=10.10.0
Asterisk Digiumphones=10.10.0-rc1
Asterisk Digiumphones=10.10.0-rc2
Asterisk Digiumphones=10.11.0
Asterisk Digiumphones=10.11.0-rc1
Asterisk Digiumphones=10.11.0-rc2
Asterisk Digiumphones=10.11.0-rc3
Asterisk Digiumphones=10.12.0
Asterisk Digiumphones=10.12.0-rc1
Asterisk Digiumphones=10.12.0-rc2
Asterisk Digiumphones=10.12.1

Event History

Mar 29, 2013
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2013-2686?

CVE-2013-2686 is classified as a moderate severity vulnerability.

2

How do I fix CVE-2013-2686?

To mitigate CVE-2013-2686, update Asterisk to version 1.8.20.2, 10.12.2, or 11.2.2 or later.

3

What systems are affected by CVE-2013-2686?

CVE-2013-2686 affects Asterisk Open Source versions 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2.

4

Can CVE-2013-2686 be exploited remotely?

Yes, CVE-2013-2686 can be exploited remotely, potentially allowing an attacker to send specially crafted HTTP requests.

5

What kind of impact does CVE-2013-2686 have?

The vulnerability may lead to unexpected behavior in the handling of HTTP requests, which could affect system availability.

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