CVE-2021-26713
Summary
| CVE | CVE-2021-26713 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-02-19 20:15:00 UTC |
| Updated | 2021-02-26 17:02:00 UTC |
| Description | A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch. |
Risk And Classification
Problem Types: CWE-787
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Digium | Asterisk | All | All | All | All |
| Application | Digium | Asterisk | All | All | All | All |
| Application | Digium | Certified Asterisk | 16.8 | - | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc1 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc1 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert5 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | - | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc1 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert1-rc4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc1 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc2 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc3 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert4-rc4 | All | All |
| Application | Digium | Certified Asterisk | 16.8 | cert5 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| AST-2021-004 | MISC | downloads.asterisk.org | Vendor Advisory |
| Index of /pub/security | MISC | downloads.asterisk.org | Vendor Advisory |
| [ASTERISK-29205] res_rtp_asterisk: Asterisk crashes when making hold/unhold from webrtc client - Digium/Asterisk JIRA | MISC | issues.asterisk.org | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.