Microsoft Yammer on Android Security Feature Policy input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Yammer on Android. This impacts an unknown function of the component Security Feature. The manipulation results in input validation (Policy). This vulnerability is reported as CVE-2019-1265. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Yammer on Android (Android App Software) (affected version not known). It has been classified as critical. Affected is some unknown functionality of the component Security Feature. The manipulation with an unknown input leads to a input validation vulnerability (Policy). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A security feature bypass vulnerability exists when Microsoft Yammer App for Android fails to apply the correct Intune MAM Policy.This could allow an attacker to perform functions that are restricted by Intune Policy.The security update addresses the vulnerability by correcting the way the policy is applied to Yammer App., aka 'Microsoft Yammer Security Feature Bypass Vulnerability'.

The weakness was disclosed 09/10/2019 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2019-1265 since 11/26/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A security feature bypass vulnerability exists when Microsoft Yammer App for Android fails to apply the correct Intune MAM Policy.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Policy
Class: Input validation / Policy
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

11/26/2018 🔍
09/10/2019 +288 days 🔍
09/10/2019 +0 days 🔍
09/11/2019 +1 days 🔍
08/20/2020 +344 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-1265 (🔍)
GCVE (CVE): GCVE-0-2019-1265
GCVE (VulDB): GCVE-100-141612
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 09/11/2019 15:12
Updated: 08/20/2020 06:43
Changes: 09/11/2019 15:12 (61), 08/20/2020 06:43 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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