Zarafa Collaboration Platform up to 7.1.12/7.2.0 ECServer.cpp link following

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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Zarafa Collaboration Platform up to 7.1.12/7.2.0. This impacts an unknown function of the file provider/server/ECServer.cpp. The manipulation results in link following. This vulnerability is known as CVE-2015-3436. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Zarafa Collaboration Platform up to 7.1.12/7.2.0 (Groupware Software). Affected is an unknown function of the file provider/server/ECServer.cpp. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

provider/server/ECServer.cpp in Zarafa Collaboration Platform (ZCP) before 7.1.13 and 7.2.x before 7.2.1 allows local users to write to arbitrary files via a symlink attack on /tmp/zarafa-upgrade-lock.

The weakness was published 06/09/2015 (Website). The advisory is available at jira.zarafa.com. This vulnerability is traded as CVE-2015-3436. Local access is required to approach this attack. The successful exploitation requires a authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 84027 (Fedora 20 : zarafa-7.1.12-2.fc20 (2015-8479)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123616 (Fedora Security Update for zarafa (FEDORA-2015-8487)).

Upgrading to version 7.1.13 or 7.2.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (84027), SecurityFocus (BID 75104†) and Vulnerability Center (SBV-50675†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 84027
Nessus Name: Fedora 20 : zarafa-7.1.12-2.fc20 (2015-8479)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Collaboration Platform 7.1.13/7.2.1

Timelineinfo

01/01/2014 🔍
04/28/2015 +481 days 🔍
06/09/2015 +42 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/10/2015 +1 days 🔍
06/23/2015 +13 days 🔍
11/25/2024 +3443 days 🔍

Sourcesinfo

Advisory: jira.zarafa.com
Status: Confirmed

CVE: CVE-2015-3436 (🔍)
GCVE (CVE): GCVE-0-2015-3436
GCVE (VulDB): GCVE-100-75810
SecurityFocus: 75104
Vulnerability Center: 50675 - Zarafa Collaboration Platform Local File System Write via a Symlink Attack, Medium

Entryinfo

Created: 06/10/2015 10:19
Updated: 11/25/2024 18:42
Changes: 06/10/2015 10:19 (39), 07/09/2015 15:22 (16), 05/20/2022 17:51 (2), 05/20/2022 17:58 (7), 05/20/2022 18:06 (1), 11/25/2024 18:42 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!