CVE-2018-8022 : A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS)

A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This affects version 6.2.2. To resolve this issue users running 6.2.2 should upgrade to 6.2.3 or later versions.

Published 2018-08-29 13:29:02

Updated 2018-10-17 22:18:00

Source Apache Software Foundation

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2018-8022

Apache » Traffic Server
Versions from including (>=) 6.0.0 and up to, including, (<=) 6.2.2
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-8022

Top countries where our scanners detected CVE-2018-8022

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-8022 104

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-8022!

^*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-2018-8022

EPSS FAQ

0.16%

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

~ 53 %

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

CVSS scores for CVE-2018-8022

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-2018-8022

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8022

https://github.com/apache/trafficserver/pull/2147

Convert an ink_release_assert into logic to reset the rbio to use the… by shinrich · Pull Request #2147 · apache/trafficserver · GitHub
Patch;Third Party Advisory
https://lists.apache.org/thread.html/ce404d2fe16cc59085ece5a6236ccd1549def471a2a9508198d966b1@%3Cusers.trafficserver.apache.org%3E

[ANNOUNCE] Apache Traffic Server vulnerability with an invalid TLS handshake - CVE-2018-8022 - Pony Mail
Vendor Advisory
http://www.securityfocus.com/bid/105183

Apache Traffic Server CVE-2018-8022 Denial of Service Vulnerability
Third Party Advisory;VDB Entry