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CVE Record

CVE-2013-7100: Buffer overflow in the unpacksms16 function in apps/app_sms.c in Asterisk Open Source 1.8.x before 1.8.24.1...

Buffer overflow in the unpacksms16 function in apps/app_sms.c in Asterisk Open Source 1.8.x before 1.8.24.1, 10.x before 10.12.4, and 11.x before 11.6.1; Asterisk with Digiumphones 10.x-digiumphones before 10.12.4-digiumphones; and Certified Asterisk 1.8.x before 1.8.15-cert4 and 11.x before 11.2-cert3 allows remote attackers to cause a denial of service (daemon crash) via a 16-bit SMS message with an odd number of bytes, which triggers an infinite loop.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2013-7100 can crash affected Asterisk telephony servers when they process a specially formed 16-bit SMS message with an odd byte count. The main business impact is service availability: voice or messaging functions relying on the Asterisk daemon may be interrupted until it restarts or is restored. Exposure is most likely where affected Asterisk versions process inbound SMS messages from untrusted sources. The source bundle does not define all deployment prerequisites, so environments without SMS handling may have lower practical exposure. Treat this as a service availability risk for legacy Asterisk deployments. Prioritize systems that process external SMS traffic or support critical communications, but do not treat it as confirmed actively exploited based on the provided sources. Mitigation focus: Upgrade Asterisk Open Source to 1.8.24.1, 10.12.4, or 11.6.1 or later.; Upgrade Asterisk with Digiumphones to 10.12.4-digiumphones or later.; Upgrade Certified Asterisk to 1.8.15-cert4 or 11.2-cert3 or later..

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Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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3Source links

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