Ubuntu.comUB:CVE-2020-35652CVE-2020-35652
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
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
0.005 Low
EPSS
Percentile
77.5%
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.
References
downloads.asterisk.org/pub/security/AST-2020-003-13.diff (Asterisk 13.x)
downloads.asterisk.org/pub/security/AST-2020-003-16.diff (Asterisk 16.x)
downloads.asterisk.org/pub/security/AST-2020-003.html
downloads.asterisk.org/pub/security/AST-2020-004.html
issues.asterisk.org/jira/browse/ASTERISK-29191
issues.asterisk.org/jira/browse/ASTERISK-29219
launchpad.net/bugs/cve/CVE-2020-35652
nvd.nist.gov/vuln/detail/CVE-2020-35652
security-tracker.debian.org/tracker/CVE-2020-35652
www.cve.org/CVERecord?id=CVE-2020-35652
Related
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
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
0.005 Low
EPSS
Percentile
77.5%