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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, 10.x before 10.12.4, and 11.x…
Medium5.0EPSS 4.3%
- Published
- Updated
- Reserved
- Assigned by
- 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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.3% · top 8.8% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (10)
- MDVSA-2013:300 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 20131216 AST-2013-006: Buffer Overflow when receiving odd length 16 bit SMS message (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://issues.asterisk.org/jira/browse/ASTERISK-22590 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 56294 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://downloads.asterisk.org/pub/security/AST-2013-006.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1029499 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 101100 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- DSA-2835 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 64364 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- asterisk-sms-message-dos(89825) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2013-7100)Record last updated .