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CVE-2020-35652

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Date: January 29, 2021

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.

Language: C

Severity Score

Related Resources (10)

https://downloads.asterisk.org/pub/security/AST-2020-004.html
https://github.com/asterisk/asterisk/commit/51e2187a149c8a8bf83fcba06b6cebee886aedc7
https://issues.asterisk.org/jira/browse/ASTERISK-29191
https://issues.asterisk.org/jira/browse/ASTERISK-29219
https://downloads.asterisk.org/pub/security/AST-2020-003.html
https://security-tracker.debian.org/tracker/CVE-2020-35652
https://security.alpinelinux.org/vuln/CVE-2020-35652
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-35652
https://nvd.nist.gov/vuln/detail/CVE-2020-35652
https://www.mend.io/vulnerability-database/CVE-2020-35652

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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