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CVE-2019-12827

Good to know:

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Date: July 12, 2019

Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

Language: C

Severity Score

Related Resources (7)

https://security.alpinelinux.org/vuln/CVE-2019-12827
https://security-tracker.debian.org/tracker/CVE-2019-12827
http://downloads.digium.com/pub/security/AST-2019-002.html
https://issues.asterisk.org/jira/browse/ASTERISK-28447
https://nvd.nist.gov/vuln/detail/CVE-2019-12827
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12827
https://www.mend.io/vulnerability-database/CVE-2019-12827

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

Top Fix

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Upgrade Version

Upgrade to version 13.27.1, 15.7.3, 16.4.1

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CVSS v3

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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