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CVE-2019-15297

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Date: September 9, 2019

res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.

Language: C

Severity Score

Related Resources (9)

https://security.alpinelinux.org/vuln/CVE-2019-15297
https://security-tracker.debian.org/tracker/CVE-2019-15297
http://downloads.asterisk.org/pub/security/AST-2019-004.html
http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-15297
http://seclists.org/fulldisclosure/2021/Mar/5
http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
https://nvd.nist.gov/vuln/detail/CVE-2019-15297
https://www.mend.io/vulnerability-database/CVE-2019-15297

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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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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