Vulnerability Monitor

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CVE-2018-17281

There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.

Published

2018-09-24T22:29:01.580

Last Modified

2024-11-21T03:54:10.270

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	digium	asterisk	≤ 13.23.0	Yes
Application	digium	asterisk	≤ 14.7.7	Yes
Application	digium	asterisk	≤ 15.6.0	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	11.6	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.1	Yes
Application	digium	certified_asterisk	13.8	Yes
Application	digium	certified_asterisk	13.8	Yes
Application	digium	certified_asterisk	13.8	Yes
Application	digium	certified_asterisk	13.8	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.13	Yes
Application	digium	certified_asterisk	13.21	Yes
Application	digium	certified_asterisk	13.21	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://downloads.asterisk.org/pub/security/AST-2018-009.html Patch, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2018/Sep/31 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/105389 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1041694 Third Party Advisory, VDB Entry ([email protected])
https://issues.asterisk.org/jira/browse/ASTERISK-28013 Issue Tracking, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html Mailing List, Third Party Advisory ([email protected])
https://seclists.org/bugtraq/2018/Sep/53 Mailing List, Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201811-11 Third Party Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4320 Third Party Advisory ([email protected])
http://downloads.asterisk.org/pub/security/AST-2018-009.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2018/Sep/31 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/105389 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1041694 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://issues.asterisk.org/jira/browse/ASTERISK-28013 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2018/Sep/53 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201811-11 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4320 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)