CVE-2013-2686 - CVE House
Back to Database
Status published Medium CVE-2013-2686

main/http.c in the HTTP server in Asterisk Open Source 1.8.x...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2013-2686

Credits & Attribution

No credits recorded in the NVD database.

References

More from asterisk

View All →
CVE-2025-57767
Asterisk can crash from a specifically malformed Authorization header in an incoming SIP request
High 7.5
CVE-2025-54995
Asterisk remotely exploitable leak of RTP UDP ports and internal resources
Medium 6.5
CVE-2025-49832
Asterisk is Vulnerable to Remote DoS and possible RCE Attacks During Memory Allocation
Medium 6.5
CVE-2025-47780
cli_permissions.conf: deny option does not work for disallowing shell commands
Medium 4.8
CVE-2025-47779
Using malformed From header can forge identity with ";" or NULL in name portion
High 7.7

Affected Vendor

Affected Software

open source, certified asterisk, digiumphones
Vulnerable Versions:
1.8.0, 1.8.1, 1.8.1.1, 1.8.1.2, 1.8.2, 1.8.2.1, 1.8.2.2, 1.8.2.3, 1.8.2.4, 1.8.3, 1.8.3.1, 1.8.3.2, 1.8.3.3, 1.8.4, 1.8.4.1, 1.8.4.2, 1.8.4.3, 1.8.4.4, 1.8.5, 1.8.5.0, 1.8.6.0, 1.8.7.0, 1.8.7.1, 1.8.7.2, 1.8.8.0, 1.8.8.1, 1.8.8.2, 1.8.9.0, 1.8.9.1, 1.8.9.2, 1.8.9.3, 1.8.10.0, 1.8.10.1, 1.8.11.0, 1.8.11.1, 1.8.12, 1.8.12.0, 1.8.12.1, 1.8.12.2, 1.8.13.0, 1.8.13.1, 1.8.14.0, 1.8.14.1, 1.8.15.0, 1.8.15.1, 1.8.16.0, 1.8.17.0, 1.8.18.0, 1.8.18.1, 1.8.19.0, 1.8.19.1, 1.8.20.0, 1.8.20.1, 10.0.0, 10.0.1, 10.1.0, 10.1.1, 10.1.2, 10.1.3, 10.2.0, 10.2.1, 10.3.0, 10.3.1, 10.4.0, 10.4.1, 10.4.2, 10.5.0, 10.5.1, 10.5.2, 10.6.0, 10.6.1, 10.7.0, 10.7.1, 10.8.0, 10.9.0, 10.10.0, 10.10.1, 10.11.0, 10.11.1, 10.12.0, 10.12.1, 11.0.0, 11.0.1, 11.0.2, 11.1.0, 11.1.1, 11.1.2, 11.2.0, 11.2.1, 1.8.15

Timeline

Official Publish: March 29th, 2013
Last Modified: September 16th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.