CVE-2013-7100

Published: Dec 19, 2013Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119

5.0MEDIUM

NVD MITRE

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:PAvailability

Partial

Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

digium

commercial·USaka asterisk

asterisk

Communications

asterisk digiumphones

Communications

certified asterisk

Communications

and 1 more affected products View all →

Exploitability

Official Patch Available

Is your org exposed to CVE-2013-7100?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

View detailed technique mapping

References

http://archives.neohapsis.com/archives/bugtraq/2013-12/0089.html

archives.neohapsis.com

http://downloads.asterisk.org/pub/security/AST-2013-006.html

downloads.asterisk.org

http://osvdb.org/101100

osvdb.org

and 7 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2013-7100 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows