Mozilla Thunderbird up to 52.5.1 RSS Feed User Name information disclosure

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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mozilla Thunderbird up to 52.5.1. This affects an unknown part of the component RSS Feed Handler. The manipulation results in information disclosure (User Name). This vulnerability is reported as CVE-2017-7847. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mozilla Thunderbird up to 52.5.1 (Mail Client Software). Affected is some unknown functionality of the component RSS Feed Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (User Name). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Crafted CSS in an RSS feed can leak and reveal local path strings, which may contain user name. This vulnerability affects Thunderbird < 52.5.2.

The bug was discovered 12/22/2017. The weakness was disclosed 06/11/2018 by Sabri Haddouche with Cure53 as Bug 1411708 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2017-7847 since 04/12/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 105450 (FreeBSD : mozilla -- multiple vulnerabilities (6a09c80e-6ec7-442a-bc65-d72ce69fd887)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370698 (Mozilla Thunderbird Multiple Vulnerabilities (mfsa2017-30)).

Upgrading to version 52.5.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105450) and SecurityFocus (BID 102258†). The entries VDB-119335, VDB-119350, VDB-119351 and VDB-119353 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: User Name
Class: Information disclosure / User Name
CWE: CWE-200 / 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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 105450
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (6a09c80e-6ec7-442a-bc65-d72ce69fd887)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 864273
OpenVAS Name: Debian Security Advisory DSA 4075-1 (thunderbird - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Thunderbird 52.5.2

Timelineinfo

04/12/2017 🔍
12/22/2017 +254 days 🔍
12/22/2017 +0 days 🔍
12/25/2017 +3 days 🔍
12/26/2017 +1 days 🔍
06/11/2018 +166 days 🔍
06/11/2018 +0 days 🔍
06/12/2018 +1 days 🔍
03/22/2023 +1744 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1411708
Researcher: Sabri Haddouche
Organization: Cure53
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7847 (🔍)
GCVE (CVE): GCVE-0-2017-7847
GCVE (VulDB): GCVE-100-119352

OVAL: 🔍

SecurityFocus: 102258 - Mozilla Thunderbird Prior to 52.5.2 Multiple Security Vulnerabilities
SecurityTracker: 1040123

See also: 🔍

Entryinfo

Created: 06/12/2018 08:59
Updated: 03/22/2023 14:11
Changes: 06/12/2018 08:59 (81), 02/18/2020 08:53 (6), 03/22/2023 14:11 (4)
Complete: 🔍
Cache ID: 216:680:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!