Vulnerability Monitor

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CVE-2013-5642


The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.


Security Impact Summary

CVE-2013-5642 is a security vulnerability that . Impacting 3 products from digium, from digium, from digium organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2013-09-09T17:55:06.267

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application digium asterisk 1.8.17.0 Yes
Application digium asterisk 1.8.17.0 Yes
Application digium asterisk 1.8.17.0 Yes
Application digium asterisk 1.8.17.0 Yes
Application digium asterisk 1.8.18.0 Yes
Application digium asterisk 1.8.18.0 Yes
Application digium asterisk 1.8.18.1 Yes
Application digium asterisk 1.8.19.0 Yes
Application digium asterisk 1.8.19.0 Yes
Application digium asterisk 1.8.19.0 Yes
Application digium asterisk 1.8.19.1 Yes
Application digium asterisk 1.8.20.0 Yes
Application digium asterisk 1.8.20.0 Yes
Application digium asterisk 1.8.20.0 Yes
Application digium asterisk 1.8.21.0 Yes
Application digium asterisk 1.8.21.0 Yes
Application digium asterisk 1.8.22.0 Yes
Application digium asterisk 1.8.22.0 Yes
Application digium asterisk 1.8.22.0 Yes
Application digium asterisk 1.8.23.0 Yes
Application digium asterisk 1.8.23.0 Yes
Application digium asterisk 1.8.23.0 Yes
Application digium asterisk 10.10.0 Yes
Application digium asterisk 10.10.0 Yes
Application digium asterisk 10.10.0 Yes
Application digium asterisk 10.11.0 Yes
Application digium asterisk 10.11.0 Yes
Application digium asterisk 10.11.0 Yes
Application digium asterisk 10.11.0 Yes
Application digium asterisk 10.12.0 Yes
Application digium asterisk 10.12.0 Yes
Application digium asterisk 10.12.0 Yes
Application digium asterisk 10.12.1 Yes
Application digium asterisk 10.12.2 Yes
Application digium asterisk 11.0.0 Yes
Application digium asterisk 11.0.0 Yes
Application digium asterisk 11.0.0 Yes
Application digium asterisk 11.0.0 Yes
Application digium asterisk 11.0.0 Yes
Application digium asterisk 11.0.1 Yes
Application digium asterisk 11.0.2 Yes
Application digium asterisk 11.1.0 Yes
Application digium asterisk 11.1.0 Yes
Application digium asterisk 11.1.0 Yes
Application digium asterisk 11.1.1 Yes
Application digium asterisk 11.1.2 Yes
Application digium asterisk 11.2.0 Yes
Application digium asterisk 11.2.0 Yes
Application digium asterisk 11.3.0 Yes
Application digium asterisk 11.3.0 Yes
Application digium asterisk 11.4.0 Yes
Application digium asterisk 11.4.0 Yes
Application digium asterisk 11.4.0 Yes
Application digium asterisk 11.4.0 Yes
Application digium asterisk 11.5.0 Yes
Application digium asterisk 11.5.0 Yes
Application digium asterisk 11.5.0 Yes
Application digium asterisk 11.5.1 Yes
Application digium asterisk_digiumphones 10.0.0 Yes
Application digium asterisk_digiumphones 10.0.0 Yes
Application digium asterisk_digiumphones 10.0.0 Yes
Application digium asterisk_digiumphones 10.11.0 Yes
Application digium asterisk_digiumphones 10.11.0 Yes
Application digium asterisk_digiumphones 10.11.0 Yes
Application digium asterisk_digiumphones 10.11.0 Yes
Application digium asterisk_digiumphones 10.12.0 Yes
Application digium asterisk_digiumphones 10.12.0 Yes
Application digium asterisk_digiumphones 10.12.0 Yes
Application digium asterisk_digiumphones 10.12.1 Yes
Application digium asterisk_digiumphones 10.12.2 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 1.8.15 Yes
Application digium certified_asterisk 11.2.0 Yes
Application digium certified_asterisk 11.2.0 Yes
Application digium certified_asterisk 11.2.0 Yes
Application digium certified_asterisk 11.2.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For digium's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.