VDB-80149 · CVE-2015-8511 · SBV-55503

Mozilla Firefox OS up to 2.4 Lockscreen race condition

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Mozilla Firefox OS up to 2.4. This vulnerability affects unknown code of the component Lockscreen. This manipulation causes race condition. The identification of this vulnerability is CVE-2015-8511. It is feasible to perform the attack on the physical device. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox OS up to 2.4 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown processing of the component Lockscreen. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Race condition in the lockscreen feature in Mozilla Firefox OS before 2.5 allows physically proximate attackers to bypass an intended passcode requirement via unspecified vectors.

The weakness was shared 01/09/2016 (Website). The advisory is shared at bugzilla.mozilla.org. This vulnerability is known as CVE-2015-8511 since 12/08/2015. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-55503†). The entries VDB-80150 and VDB-80148 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
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: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: 🔍
Upgrade: Firefox OS 2.5

Timelineinfo

12/08/2015 🔍
12/30/2015 +22 days 🔍
01/06/2016 +7 days 🔍
01/08/2016 +2 days 🔍
01/09/2016 +1 days 🔍
01/10/2016 +1 days 🔍
06/20/2018 +892 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8511 (🔍)
GCVE (CVE): GCVE-0-2015-8511
GCVE (VulDB): GCVE-100-80149
Vulnerability Center: 55503 - Mozilla Firefox OS <2.5 Local Security Bypass of Lockscreen Passcode, Medium

See also: 🔍

Entryinfo

Created: 01/10/2016 20:16
Updated: 06/20/2018 08:38
Changes: 01/10/2016 20:16 (59), 06/20/2018 08:38 (8)
Complete: 🔍
Cache ID: 216::103

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