Yandex Browser installer for Desktop up to 17.4.0 DLL dnsapi.dll/profapi.dll Search Path untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Yandex Browser installer for Desktop up to 17.4.0. It has been rated as problematic. This issue affects some unknown processing in the library dnsapi.dll/profapi.dll of the component DLL Handler. The manipulation as part of Search Path leads to untrusted search path. This vulnerability is traded as CVE-2017-7327. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Yandex Browser installer for Desktop up to 17.4.0. This issue affects an unknown function in the library dnsapi.dll/profapi.dll of the component DLL Handler. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Yandex Browser installer for Desktop before 17.4.1 has a DLL Hijacking Vulnerability because an untrusted search path is used for dnsapi.dll, winmm.dll, ntmarta.dll, cryptbase.dll or profapi.dll.

The bug was discovered 01/18/2017. The weakness was shared 01/19/2018 (Website). It is possible to read the advisory at browser.yandex.com. The identification of this vulnerability is CVE-2017-7327 since 03/30/2017. Attacking locally is a requirement. The successful exploitation requires a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 366 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 17.4.1 eliminates this vulnerability.

The entry VDB-112258 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Browser installer for Desktop 17.4.1

Timelineinfo

01/18/2017 🔍
03/30/2017 +71 days 🔍
01/19/2018 +295 days 🔍
01/19/2018 +0 days 🔍
01/20/2018 +1 days 🔍
12/25/2019 +704 days 🔍

Sourcesinfo

Advisory: browser.yandex.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7327 (🔍)
GCVE (CVE): GCVE-0-2017-7327
GCVE (VulDB): GCVE-100-112259
See also: 🔍

Entryinfo

Created: 01/20/2018 13:32
Updated: 12/25/2019 13:49
Changes: 01/20/2018 13:32 (62), 12/25/2019 13:49 (2)
Complete: 🔍
Cache ID: 216::103

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

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