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CVE-2018-17281
There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and…
High7.5EPSS 52.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 52.4% · top 1.0% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- 1041694 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20180920 AST-2018-009: Remote crash vulnerability in HTTP websocket upgrade (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html (opens in a new tab)x_refsource_MISCx_transferred
- DSA-4320 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20180920 AST-2018-009: Remote crash vulnerability in HTTP websocket upgrade (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- https://issues.asterisk.org/jira/browse/ASTERISK-28013 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180927 [SECURITY] [DLA 1523-1] asterisk security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201811-11 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 105389 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://downloads.asterisk.org/pub/security/AST-2018-009.html (opens in a new tab)x_refsource_CONFIRMx_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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-17281)Record last updated .