VDB-123392 · CVE-2018-8022 · BID 105183

Apache Traffic Server 6.2.2 TLS Handshake input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apache Traffic Server 6.2.2. Impacted is an unknown function of the component TLS Handshake. Such manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2018-8022. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apache Traffic Server 6.2.2. Affected by this issue is an unknown part of the component TLS Handshake. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. 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. Impacted is availability. CVE summarizes:

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.

The bug was discovered 08/28/2018. The weakness was disclosed 08/29/2018 (Website). The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2018-8022 since 03/08/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87348 (Apache Traffic Server Multiple Vulnerabilities).

Upgrading to version 6.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105183†). The entries VDB-123393, VDB-123391 and VDB-123390 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Traffic Server 6.2.3
Patch: github.com

Timelineinfo

03/08/2018 🔍
08/28/2018 +172 days 🔍
08/28/2018 +0 days 🔍
08/29/2018 +0 days 🔍
08/29/2018 +0 days 🔍
08/30/2018 +1 days 🔍
05/06/2023 +1710 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-8022 (🔍)
GCVE (CVE): GCVE-0-2018-8022
GCVE (VulDB): GCVE-100-123392
SecurityFocus: 105183 - Apache Traffic Server CVE-2018-8022 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 08/30/2018 08:24
Updated: 05/06/2023 09:31
Changes: 08/30/2018 08:24 (67), 03/19/2020 11:40 (3), 05/06/2023 09:31 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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