Mozilla Firefox up to 51.0.2 Cache Directory access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 51.0.2. This affects an unknown part of the component Cache Directory Handler. Such manipulation leads to access control. This vulnerability is referenced as CVE-2017-5397. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 51.0.2 (Web Browser). It has been rated as critical. Affected by this issue is an unknown functionality of the component Cache Directory Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions. This vulnerability affects Firefox < 51.0.3.

The bug was discovered 02/09/2017. The weakness was published 06/11/2018 as Bug 1337304 as not defined bug report (Bugzilla). The advisory is available at bugzilla.mozilla.org. This vulnerability is handled as CVE-2017-5397 since 01/13/2017. Local access is required to approach this attack. The successful exploitation needs a simple authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 487 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 51.0.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96144†). Similar entry is available at VDB-119333. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-264
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: Firefox 51.0.3

Timelineinfo

01/13/2017 🔍
02/09/2017 +27 days 🔍
02/09/2017 +0 days 🔍
06/11/2018 +486 days 🔍
06/11/2018 +0 days 🔍
06/12/2018 +1 days 🔍
02/17/2020 +615 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1337304
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5397 (🔍)
GCVE (CVE): GCVE-0-2017-5397
GCVE (VulDB): GCVE-100-119330
SecurityFocus: 96144 - Mozilla Firefox for Android CVE-2017-5397 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 06/12/2018 08:48
Updated: 02/17/2020 19:14
Changes: 06/12/2018 08:48 (65), 02/17/2020 19:14 (4)
Complete: 🔍
Cache ID: 216::103

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

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