CVE-2018-19278

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2018-19278
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-11-14T20:29:00
  • Last Modified Date
  • 2018-12-30T00:35:14
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:digium:asterisk:15.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.0.0:b1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.0.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.1.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.2.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.2.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.3.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.3.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.4.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.4.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.4.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.5.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.6.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:15.6.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:16.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:16.0.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:16.0.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:asterisk:16.0.1:rc1:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://issues.asterisk.org/jira/browse/ASTERISK-28127 Exploit Vendor Advisory
https://downloads.asterisk.org/pub/security/AST-2018-010.html Patch Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 17:48:58 Added to TrackCVE
2022-12-03 14:28:06 2018-11-14T20:29Z 2018-11-14T20:29:00 CVE Published Date updated
2022-12-03 14:28:06 2018-12-30T00:35:14 CVE Modified Date updated
2022-12-03 14:28:06 Analyzed Vulnerability Status updated