PT-2017-18883

CVE-2017-9372

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Published

2017-06-02

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Updated

2017-11-05

Description by

CVSS 3.1
7.5
High
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 13.x through 13.15.0 Asterisk Open Source versions 14.x through 14.4.0 Certified Asterisk versions 13.13 through 13.13-cert3
Description The issue allows remote attackers to cause a denial of service, resulting in a buffer overflow and application crash, via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.
Recommendations For Asterisk Open Source versions 13.x through 13.15.0, update to version 13.15.1 or later. For Asterisk Open Source versions 14.x through 14.4.0, update to version 14.4.1 or later. For Certified Asterisk versions 13.13 through 13.13-cert3, update to version 13.13-cert4 or later.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
DSA-3933-1
MGASA-2017-0368
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