VDB-123809 · CVE-2018-16790 · Nessus 117814

libbson 1.12.0 bson-iter.c _bson_iter_next_internal memory corruption

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in libbson 1.12.0. It has been rated as critical. This issue affects the function _bson_iter_next_internal of the file bson-iter.c. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2018-16790. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in libbson 1.12.0 and classified as critical. This issue affects the function _bson_iter_next_internal of the file bson-iter.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

_bson_iter_next_internal in bson-iter.c in libbson 1.12.0, as used in MongoDB mongo-c-driver and other products, has a heap-based buffer over-read via a crafted bson buffer.

The bug was discovered 09/10/2018. The weakness was shared 09/10/2018 (Website). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-16790 since 09/10/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 117814 (Fedora 27 : libbson (2018-77d864ff39)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277578 (Fedora Security Update for libbson (FEDORA-2018-77d864ff39)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (117814). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

libbson

Version

1.12.0

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 117814
Nessus Name: Fedora 27 : libbson (2018-77d864ff39)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

09/10/2018 🔍
09/10/2018 +0 days 🔍
09/10/2018 +0 days 🔍
09/10/2018 +0 days 🔍
09/11/2018 +1 days 🔍
09/27/2018 +16 days 🔍
09/28/2018 +1 days 🔍
11/03/2025 +2593 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-77d864ff39
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16790 (🔍)
GCVE (CVE): GCVE-0-2018-16790
GCVE (VulDB): GCVE-100-123809

Entryinfo

Created: 09/11/2018 07:08
Updated: 11/03/2025 21:56
Changes: 09/11/2018 07:08 (69), 03/22/2020 10:46 (4), 05/08/2023 08:51 (5), 05/08/2023 08:55 (1), 11/03/2025 21:56 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.