VulnerabilityModified
CVE-2020-35652
A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.
MEDIUM 6.5EPSS 1.91%
Does this matter?
Lower severity and a low EPSS score (1.91%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.91% probability · 79th percentile
- CISA KEV
- Not listed
- Affected
- digium/asterisk
- Source
- cve@mitre.org
References
- https://downloads.asterisk.org/pub/security/AST-2020-003.htmlVendor Advisory
- https://downloads.asterisk.org/pub/security/AST-2020-004.htmlVendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29191Exploit, Vendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29219Vendor Advisory
- https://downloads.asterisk.org/pub/security/AST-2020-003.htmlVendor Advisory
- https://downloads.asterisk.org/pub/security/AST-2020-004.htmlVendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29191Exploit, Vendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29219Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.