VDB-97891 · CVE-2014-8688 · GCVE-0-2014-8688

Telegram Messenger on iOS/Android Secret Message 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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Telegram Messenger on iOS/Android and classified as problematic. This affects an unknown part of the component Secret Message Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2014-8688. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in Telegram Messenger on iOS/Android (Messaging Software). It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Secret Message Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. 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. The summary by CVE is:

An issue was discovered in Telegram Messenger 2.6 for iOS and 1.8.2 for Android. Secret chat messages are available in cleartext in process memory and a .db file.

The bug was discovered 02/23/2015. The weakness was released 03/14/2017 (Website). It is possible to read the advisory at blog.zimperium.com. This vulnerability is known as CVE-2014-8688 since 11/09/2014. The exploitation appears to be difficult. Attacking locally is a requirement. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 750 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Telegram Messenger auf iOS up to 2.6
Telegram Messenger auf Android up to 1.8.2

Productinfo

Type

Messaging Software

Name

Telegram Messenger

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2014 🔍
02/23/2015 +106 days 🔍
03/14/2017 +750 days 🔍
03/14/2017 +0 days 🔍
03/14/2017 +0 days 🔍
09/06/2020 +1272 days 🔍

Sourcesinfo

Advisory: blog.zimperium.com
Status: Not defined

CVE: CVE-2014-8688 (🔍)
GCVE (CVE): GCVE-0-2014-8688
GCVE (VulDB): GCVE-100-97891
OSVDB: - CVE-2014-8688 - Telegram Messenger - Information Disclosure Issue

scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 03/14/2017 15:07
Updated: 09/06/2020 12:07
Changes: 03/14/2017 15:07 (58), 09/06/2020 12:07 (2)
Complete: 🔍
Cache ID: 216::103