CVE Vulnerability

CVE-2018-19278

Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://issues.asterisk.org/jira/browse/ASTERISK-28127 Exploit Vendor Advisory
https://downloads.asterisk.org/pub/security/AST-2018-010.html Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:digium:asterisk:15.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.2:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.3:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.4:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.1.5:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.2.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:16.0.1:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:16.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:16.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:16.0.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.6.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.6.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.5.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.3.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.4.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.4.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.4.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.2.2:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.0.0:b1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:15.0.0:*:*:*:*:*:*:*
Information

Published : 2018-11-14 08:29

Updated : 2018-12-30 12:35

NVD link : CVE-2018-19278

Mitre link : CVE-2018-19278

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer