Apache Traffic Server up to 6.2.2/7.1.3 ESI Plugin Config access control

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apache Traffic Server up to 6.2.2/7.1.3. The affected element is an unknown function of the component ESI Plugin. Performing a manipulation as part of Config results in access control. This vulnerability was named CVE-2018-8040. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Traffic Server up to 6.2.2/7.1.3. This affects an unknown code of the component ESI Plugin. The manipulation as part of a Config leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

The bug was discovered 08/28/2018. The weakness was presented 08/29/2018 (Website). The advisory is shared at lists.apache.org. This vulnerability is uniquely identified as CVE-2018-8040 since 03/08/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 vulnerability scanner Nessus provides a plugin with the ID 112232 (Debian DSA-4282-1 : trafficserver - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176465 (Debian Security Update for trafficserver (DSA 4282-1)).

Upgrading to version 6.2.3 or 7.1.4 eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112232) and SecurityFocus (BID 105181†). See VDB-123369, VDB-123390 and VDB-123391 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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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Nessus ID: 112232
Nessus Name: Debian DSA-4282-1 : trafficserver - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Traffic Server 6.2.3/7.1.4
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 🔍
08/31/2018 +1 days 🔍
09/04/2018 +4 days 🔍
05/06/2023 +1705 days 🔍

Sourcesinfo

Vendor: apache.org

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

CVE: CVE-2018-8040 (🔍)
GCVE (CVE): GCVE-0-2018-8040
GCVE (VulDB): GCVE-100-123393

OVAL: 🔍

SecurityFocus: 105181 - Apache Traffic Server CVE-2018-8040 Security Bypass Vulnerabilty

See also: 🔍

Entryinfo

Created: 08/30/2018 08:25
Updated: 05/06/2023 09:36
Changes: 08/30/2018 08:25 (78), 03/19/2020 11:46 (4), 05/06/2023 09:36 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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