Mozilla Firefox/Thunderbird/Firefox ESR p256-ECDH Public Keys Segmentation Fault memory corruption

A vulnerability was found in Mozilla Firefox, Thunderbird and Firefox ESR (Web Browser) (affected version not known) and classified as critical. Affected by this issue is an unknown code of the component p256-ECDH Public Keys Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Segmentation Fault). Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/23/2019. This vulnerability is handled as CVE-2019-11729 since 05/03/2019. The attack may be launched remotely. No form of authentication is required for 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 07/23/2019).

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at 138510 and 138507.

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox
• Firefox ESR
• Thunderbird

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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: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Segmentation Fault (CWE-119)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

05/03/2019 CVE assigned
07/23/2019 +81 days Advisory disclosed
07/23/2019 +0 days VulDB entry created
07/23/2019 +0 days VulDB last updateVendor: mozilla.org
CVE: CVE-2019-11729 (🔒)
See also: 🔒Created: 07/23/2019 09:57 PM
Complete: 🔍

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