A vulnerability has been found in Mozilla Firefox up to 62.0.2 and classified as critical. This vulnerability affects an unknown function of the component JIT Compiler. The manipulation with an unknown input leads to a memory corruption vulnerability (Stack-based). The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/18/2018 as Bug 1493903 as bug report (Bugzilla). The advisory is available at bugzilla.mozilla.org. This vulnerability was named CVE-2018-12387 since 06/14/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/19/2018).

Upgrading to version 62.0.3 eliminates this vulnerability.

Similar entries are available at 125766, 125767 and 125769.

CPE

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CVSSv3

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

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

Exploiting

Class: Memory corruption / Stack-based (CWE-119)
Local: No
Remote: Yes

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: Upgrade
Status: Official fix
0-Day Time: 🔒

Upgrade: Firefox 62.0.3

Timeline

06/14/2018 CVE assigned
10/18/2018 Advisory disclosed
10/19/2018 VulDB entry created
10/19/2018 VulDB last update

Sources

Advisory: Bug 1493903

CVE: CVE-2018-12387 (🔒)
See also: 🔒

Entry

Created: 10/19/2018
Complete: 🔍

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