Open Ticket Request System up to 4.0.27/5.0.25/6.0.2 Cookie Session Hijacking access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Open Ticket Request System up to 4.0.27/5.0.25/6.0.2. Affected by this vulnerability is an unknown functionality of the component Cookie Handler. Such manipulation leads to access control (Session Hijacking). This vulnerability is traded as CVE-2017-17476. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Open Ticket Request System up to 4.0.27/5.0.25/6.0.2 (Ticket Tracking Software). It has been rated as critical. Affected by this issue is some unknown functionality of the component Cookie Handler. The manipulation with an unknown input leads to a access control vulnerability (Session Hijacking). Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Open Ticket Request System (OTRS) 4.0.x before 4.0.28, 5.0.x before 5.0.26, and 6.0.x before 6.0.3, when cookie support is disabled, might allow remote attackers to hijack web sessions and consequently gain privileges via a crafted email.

The bug was discovered 12/19/2017. The weakness was shared 12/20/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-17476 since 12/08/2017. 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 MITRE ATT&CK project declares the attack technique as T1068.

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 $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105397 (Debian DSA-4069-1 : otrs2 - 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 176255 (Debian Security Update for otrs2 (DSA 4069-1)).

Upgrading to version 4.0.28, 5.0.26 or 6.0.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105397). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Session Hijacking
Class: Access control / Session Hijacking
CWE: CWE-264
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: 105397
Nessus Name: Debian DSA-4069-1 : otrs2 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65787
OpenVAS Name: Debian Security Advisory DSA 4069-1 (otrs2 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Open Ticket Request System 4.0.28/5.0.26/6.0.3
Patch: github.com

Timelineinfo

12/08/2017 🔍
12/19/2017 +11 days 🔍
12/20/2017 +1 days 🔍
12/20/2017 +0 days 🔍
12/20/2017 +0 days 🔍
12/21/2017 +1 days 🔍
12/21/2017 +0 days 🔍
01/18/2023 +1854 days 🔍

Sourcesinfo

Advisory: 26707eaaa791648e6c7ad6aeaa27efd70e7c66eb
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-17476 (🔍)
GCVE (CVE): GCVE-0-2017-17476
GCVE (VulDB): GCVE-100-110924

OVAL: 🔍

Entryinfo

Created: 12/21/2017 08:44
Updated: 01/18/2023 14:15
Changes: 12/21/2017 08:44 (74), 12/17/2019 08:20 (3), 01/18/2023 14:12 (5), 01/18/2023 14:15 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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