CVE-2017-7617
Publication date 10 April 2017
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Remote code execution can occur in Asterisk Open Source 13.x before 13.14.1 and 14.x before 14.3.1 and Certified Asterisk 13.13 before 13.13-cert3 because of a buffer overflow in a CDR user field, related to X-ClientCode in chan_sip, the CDR dialplan function, and the AMI Monitor action.
From the Ubuntu Security Team
Alex Villacis Lasso discovered that asterisk did not properly check the length of certain input. A remote attacker could use this vulnerability to cause a denial of service (crash) or potentially execute arbitrary code.
Status
Package | Ubuntu Release | Status |
---|---|---|
asterisk | 22.04 LTS jammy |
Not affected
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Fixed 1:13.1.0~dfsg-1.1ubuntu4.1+esm1
|
|
14.04 LTS trusty | Not in release | |
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Package | Patch details |
---|---|
asterisk |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4814-1
- Asterisk vulnerabilities
- 15 March 2021