transmission up to 2.92 Access Control /transmission/rpc POST Request access control

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in transmission up to 2.92. It has been classified as critical. Affected by this issue is some unknown functionality of the file /transmission/rpc of the component Access Control. The manipulation as part of POST Request leads to access control. This vulnerability is listed as CVE-2018-5702. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in transmission up to 2.92 and classified as critical. This issue affects an unknown code block of the file /transmission/rpc of the component Access Control. The manipulation as part of a POST Request leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows remote attackers to execute arbitrary RPC commands, and consequently write to arbitrary files, via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.

The bug was discovered 11/29/2017. The weakness was presented 01/15/2018 (Website). The advisory is shared at bugs.chromium.org. The identification of this vulnerability is CVE-2018-5702 since 01/15/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 47 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106096 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : transmission vulnerability (USN-3533-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351167 (Amazon Linux Security Advisory for transmission: ALAS-2018-950).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43665) and Tenable (106096). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

transmission

Version

Website

Product: https://github.com/transmission/transmission/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 106096
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : transmission vulnerability (USN-3533-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880587
OpenVAS Name: Debian Lts Announce DLA 1246-1 ([SECURITY] [DLA 1246-1] transmission security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: github.com

Timelineinfo

11/29/2017 🔍
01/15/2018 +47 days 🔍
01/15/2018 +0 days 🔍
01/15/2018 +0 days 🔍
01/16/2018 +1 days 🔍
01/16/2018 +0 days 🔍
01/17/2018 +1 days 🔍
02/02/2025 +2573 days 🔍