Contiki-NG up to 4.1 AQL lvm.c lvm_shift_for_operator memory corruption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Contiki-NG up to 4.1. This impacts the function lvm_shift_for_operator of the file os/storage/antelope/lvm.c of the component AQL Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2018-16665. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Contiki-NG up to 4.1. It has been declared as critical. This vulnerability affects the function lvm_shift_for_operator of the file os/storage/antelope/lvm.c of the component AQL Handler. 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 confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Contiki-NG through 4.1. There is a buffer overflow while parsing AQL in lvm_shift_for_operator in os/storage/antelope/lvm.c.

The bug was discovered 07/09/2018. The weakness was presented 09/07/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-16665 since 09/07/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 60 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.

See VDB-123750, VDB-123749, VDB-123747 and VDB-123746 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Contiki-NG

Version

License

open-source

Website

Product: https://github.com/contiki-ng/contiki-ng/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/09/2018 🔍
09/07/2018 +59 days 🔍
09/07/2018 +0 days 🔍
09/07/2018 +0 days 🔍
09/08/2018 +1 days 🔍
05/07/2023 +1702 days 🔍

Sourcesinfo

Product: github.com

Advisory: 598
Status: Not defined

CVE: CVE-2018-16665 (🔍)
GCVE (CVE): GCVE-0-2018-16665
GCVE (VulDB): GCVE-100-123748
See also: 🔍

Entryinfo

Created: 09/08/2018 09:06
Updated: 05/07/2023 14:46
Changes: 09/08/2018 09:06 (58), 03/21/2020 16:59 (1), 05/07/2023 14:46 (3)
Complete: 🔍
Cache ID: 216::103