CVE-2018-17281 : There is a stack consumption vulnerability in the res_http

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 2018-09-24 22:29:02

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-17281

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Digium » Asterisk » Standard Edition
Versions from including (>=) 15.0.0 and up to, including, (<=) 15.6.0
cpe:2.3:a:digium:asterisk:*:*:*:*:standard:*:*:*
Matching versions
Digium » Asterisk » LTS Edition
Versions from including (>=) 13.0.0 and up to, including, (<=) 13.23.0
cpe:2.3:a:digium:asterisk:*:*:*:*:lts:*:*:*
Matching versions
Digium » Asterisk
Versions from including (>=) 14.0.0 and up to, including, (<=) 14.7.7
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert13 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert13:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert14 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert14:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert15 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert15:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert12 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert2 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert3 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert4 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert5 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert5:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert6 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert6:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert3 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert3:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.21 Update Cert2 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert1 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert8 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert8:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.8 Update Cert2 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.8:cert2:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert5 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert5:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert7 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert7:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert17 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert17:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.8 Update Cert3 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.8:cert3:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.8 Update Cert4 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.8:cert4:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.8 Update Cert1 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.8:cert1:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert4 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert4:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.21 Update Cert1 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert7 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert7:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.13 Update Cert9 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.13:cert9:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert6 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert6:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 13.1 Update Cert8 LTS Edition
cpe:2.3:a:digium:certified_asterisk:13.1:cert8:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert16 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert16:*:*:lts:*:*:*
Matching versions
Digium » Certified Asterisk » Version: 11.6 Update Cert18 LTS Edition
cpe:2.3:a:digium:certified_asterisk:11.6:cert18:*:*:lts:*:*:*
Matching versions

Threat overview for CVE-2018-17281

Top countries where our scanners detected CVE-2018-17281

Top open port discovered on systems with this issue 8088

IPs affected by CVE-2018-17281 10,985

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-17281!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-17281

EPSS FAQ

59.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 98 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-17281

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-17281

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-17281

https://seclists.org/bugtraq/2018/Sep/53

Bugtraq: AST-2018-009: Remote crash vulnerability in HTTP websocket upgrade
Mailing List;Patch;Third Party Advisory
https://security.gentoo.org/glsa/201811-11

Asterisk: Multiple vulnerabilities (GLSA 201811-11) — Gentoo security
Third Party Advisory

CVEs referencing this url
http://downloads.asterisk.org/pub/security/AST-2018-009.html

AST-2018-009
Patch;Vendor Advisory
http://seclists.org/fulldisclosure/2018/Sep/31

Full Disclosure: AST-2018-009: Remote crash vulnerability in HTTP websocket upgrade
Mailing List;Patch;Third Party Advisory
http://www.securityfocus.com/bid/105389

Multiple Asterisk Products CVE-2018-17281 Remote Stack Overflow Vulnerability
Third Party Advisory;VDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html

[SECURITY] [DLA 1523-1] asterisk security update
Mailing List;Third Party Advisory
http://www.securitytracker.com/id/1041694

Asterisk Stack Overflow in HTTP Websocket Upgrade Lets Remote Users Cause the Target Service to Crash - SecurityTracker
Third Party Advisory;VDB Entry
http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html

Asterisk Project Security Advisory - AST-2018-009 ≈ Packet Storm
Third Party Advisory;VDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-28013

[ASTERISK-28013] res_http_websocket: Crash when reading HTTP Upgrade requests - Digium/Asterisk JIRA
Issue Tracking;Third Party Advisory
https://www.debian.org/security/2018/dsa-4320

Debian -- Security Information -- DSA-4320-1 asterisk
Third Party Advisory

CVEs referencing this url