Alpine Linux Development TeamALPINE:CVE-2021-26713CVE-2021-26713
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.6 Medium
AI Score
Confidence
High
4 Medium
CVSS2
Access Vector
Access Complexity
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
52.9%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Alpine | edge-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.12-main | noarch | asterisk | < 16.16.1-r0 | UNKNOWN |
| Alpine | 3.13-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.14-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.15-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.16-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.17-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.18-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.19-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
| Alpine | 3.20-main | noarch | asterisk | < 18.2.1-r0 | UNKNOWN |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.6 Medium
AI Score
Confidence
High
4 Medium
CVSS2
Access Vector
Access Complexity
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
52.9%