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Asterisk CVE-2015-1558

LOW
Resource Management Errors (CWE-399)
2015-02-09 cve@mitre.org
Denial Of Service Asterisk
3.5
CVSS 2.0 · NVD

Severity by source

NVD PRIMARY
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:S/C:N/I:N/A:P
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
None
Availability
P

Lifecycle Timeline

1
CVE Published
Feb 09, 2015 - 11:59 cve.org
LOW 3.5

DescriptionCVE.org

Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.

AnalysisAI

Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. Epss exploitation probability 17.5% and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-399. Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs. Affected products include: Digium Asterisk. Version information: before 12.8.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2015-1558 vulnerability details – vuln.today
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