KaiOS 2.5 on Nokia 8810 Gecko memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in KaiOS 2.5 on Nokia 8810. This affects an unknown part of the component Gecko. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2019-7386. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in KaiOS 2.5 on Nokia 8810. It has been declared as problematic. This vulnerability affects an unknown code block of the component Gecko. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

A Denial of Service issue has been discovered in the Gecko component of KaiOS 2.5 10.05 (platform 48.0.a2) on Nokia 8810 4G devices. When a crafted web page is visited with the internal browser, the Gecko process crashes with a segfault. Successful exploitation could lead to the remote code execution on the device.

The bug was discovered 02/12/2019. The weakness was released 03/21/2019 as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability was named CVE-2019-7386 since 02/04/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 37 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/04/2019 🔍
02/12/2019 +8 days 🔍
03/21/2019 +37 days 🔍
03/22/2019 +1 days 🔍
06/05/2026 +2632 days 🔍

Sourcesinfo

Advisory: 151651
Status: Not defined

CVE: CVE-2019-7386 (🔍)
GCVE (CVE): GCVE-0-2019-7386
GCVE (VulDB): GCVE-100-132046

Entryinfo

Created: 03/22/2019 08:56
Updated: 06/05/2026 22:13
Changes: 03/22/2019 08:56 (56), 05/18/2020 18:20 (1), 08/04/2023 09:17 (3), 06/05/2026 22:13 (16)
Complete: 🔍
Cache ID: 216::103

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