CVE-2013-2686

UnknownEPSS 2.13%

Last modified

CVE-2013-2686 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.13%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
AsteriskOpen Source1.8.0
AsteriskOpen Source1.8.1
AsteriskOpen Source1.8.1.1
AsteriskOpen Source1.8.1.2
AsteriskOpen Source1.8.2
AsteriskOpen Source1.8.2.1
AsteriskOpen Source1.8.2.2
AsteriskOpen Source1.8.2.3
AsteriskOpen Source1.8.2.4
AsteriskOpen Source1.8.3
AsteriskOpen Source1.8.3.1
AsteriskOpen Source1.8.3.2
AsteriskOpen Source1.8.3.3
AsteriskOpen Source1.8.4
AsteriskOpen Source1.8.4.1
AsteriskOpen Source1.8.4.2
AsteriskOpen Source1.8.4.3
AsteriskOpen Source1.8.4.4
AsteriskOpen Source1.8.5Rc1
AsteriskOpen Source1.8.5.0
AsteriskOpen Source1.8.6.0
AsteriskOpen Source1.8.7.0
AsteriskOpen Source1.8.7.1
AsteriskOpen Source1.8.7.2
AsteriskOpen Source1.8.8.0
AsteriskOpen Source1.8.8.1
AsteriskOpen Source1.8.8.2
AsteriskOpen Source1.8.9.0
AsteriskOpen Source1.8.9.1
AsteriskOpen Source1.8.9.2
AsteriskOpen Source1.8.9.3
AsteriskOpen Source1.8.10.0
AsteriskOpen Source1.8.10.1
AsteriskOpen Source1.8.11.0
AsteriskOpen Source1.8.11.1
AsteriskOpen Source1.8.12
AsteriskOpen Source1.8.12.0Rc1
AsteriskOpen Source1.8.12.1
AsteriskOpen Source1.8.12.2
AsteriskOpen Source1.8.13.0
AsteriskOpen Source1.8.13.1
AsteriskOpen Source1.8.14.0
AsteriskOpen Source1.8.14.1
AsteriskOpen Source1.8.15.0
AsteriskOpen Source1.8.15.1
AsteriskOpen Source1.8.16.0
AsteriskOpen Source1.8.17.0
AsteriskOpen Source1.8.18.0
AsteriskOpen Source1.8.18.1
AsteriskOpen Source1.8.19.0

Showing 50 of 105 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-2686?
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.
How severe is CVE-2013-2686?
Severity scoring for CVE-2013-2686 is pending analysis. The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.
How do I fix CVE-2013-2686?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-2686?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST