VDB-121996 · CVE-2016-10727 · USN-3724-1

GNOME evolution-data-server up to 3.21.1 IMAPx camel-imapx-server.c Password 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.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in GNOME evolution-data-server up to 3.21.1. The affected element is an unknown function of the file camel/providers/imapx/camel-imapx-server.c of the component IMAPx. Executing a manipulation can lead to information disclosure (Password). This vulnerability is handled as CVE-2016-10727. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in GNOME evolution-data-server up to 3.21.1. This vulnerability affects an unknown function of the file camel/providers/imapx/camel-imapx-server.c of the component IMAPx. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

camel/providers/imapx/camel-imapx-server.c in the IMAPx component in GNOME evolution-data-server before 3.21.2 proceeds with cleartext data containing a password if the client wishes to use STARTTLS but the server will not use STARTTLS, which makes it easier for remote attackers to obtain sensitive information by sniffing the network. The server code was intended to report an error and not proceed, but the code was written incorrectly.

The bug was discovered 05/11/2016. The weakness was released 07/20/2018 (Website). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2016-10727 since 07/19/2018. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is 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 800 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111375 (Ubuntu 14.04 LTS / 16.04 LTS : evolution-data-server vulnerability (USN-3724-1)), 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 197212 (Ubuntu Security Notification for Evolution-data-server Vulnerability (USN-3724-1)).

Upgrading to version 3.21.2 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111375). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

GNOME

Name

evolution-data-server

Version

License

open-source

Website

Vendor: https://www.gnome.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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

Name: Password
Class: Information disclosure / Password
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-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 111375
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS : evolution-data-server vulnerability (USN-3724-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: evolution-data-server 3.21.2
Patch: gitlab.gnome.org

Timelineinfo

05/11/2016 🔍
07/19/2018 +799 days 🔍
07/20/2018 +0 days 🔍
07/20/2018 +0 days 🔍
07/20/2018 +0 days 🔍
07/26/2018 +6 days 🔍
07/27/2018 +1 days 🔍
04/25/2023 +1733 days 🔍

Sourcesinfo

Vendor: gnome.org

Advisory: USN-3724-1
Status: Not defined

CVE: CVE-2016-10727 (🔍)
GCVE (CVE): GCVE-0-2016-10727
GCVE (VulDB): GCVE-100-121996

Entryinfo

Created: 07/20/2018 09:47
Updated: 04/25/2023 07:14
Changes: 07/20/2018 09:47 (75), 03/08/2020 20:58 (2), 04/25/2023 07:14 (6)
Complete: 🔍
Cache ID: 216::103