VDB-123369 · CVE-2018-1318 · BID 105176

Apache Traffic Server up to 6.2.2/7.1.3 ACL remap.config Request 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

A vulnerability was found in Apache Traffic Server up to 6.2.2/7.1.3. It has been classified as problematic. This affects an unknown functionality of the file remap.config of the component ACL Handler. The manipulation as part of a Request leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

Adding method ACLs in remap.config can cause a segfault when the user makes a carefully crafted request. This affects versions Apache Traffic Server (ATS) 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 shared 08/29/2018 by ryan (Website). The advisory is shared at lists.apache.org. This vulnerability is uniquely identified as CVE-2018-1318 since 12/06/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is 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 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 105176†).

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

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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: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 112232
Nessus Name: Debian DSA-4282-1 : trafficserver - security update
Nessus File: 🔍
Nessus Risk: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Traffic Server 6.2.3/7.1.4
Patch: github.com

Timelineinfo

12/06/2017 🔍
08/28/2018 +264 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
Researcher: ryan
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1318 (🔍)
OVAL: 🔍

SecurityFocus: 105176 - Apache Traffic Server CVE-2018-1318 Denial of Service Vulnerability

Entryinfo

Created: 08/30/2018 08:12 AM
Updated: 05/06/2023 09:00 AM
Changes: 08/30/2018 08:12 AM (79), 03/19/2020 09:03 AM (5), 05/06/2023 09:00 AM (4)
Complete: 🔍
Cache ID: 44:74F:40

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