bson up to 0.7 bson_ensure_space bytesNeeded integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in bson up to 0.7. It has been classified as critical. Affected by this vulnerability is the function bson_ensure_space. Performing a manipulation of the argument bytesNeeded results in integer overflow. This vulnerability is identified as CVE-2020-12135. The attack is only possible with local access. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in bson up to 0.7. This affects the function bson_ensure_space. The manipulation of the argument bytesNeeded with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

bson before 0.8 incorrectly uses int rather than size_t for many variables, parameters, and return values. In particular, the bson_ensure_space() parameter bytesNeeded could have an integer overflow via properly constructed bson input.

The weakness was released 04/24/2020. This vulnerability is uniquely identified as CVE-2020-12135 since 04/24/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 0.8 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bson 0.8
Patch: github.com

Timelineinfo

04/24/2020 🔍
04/24/2020 +0 days 🔍
04/24/2020 +0 days 🔍
05/06/2025 +1838 days 🔍

Sourcesinfo

Advisory: 1a1f5e26a4309480d88598913f9eebf9e9cba8ca
Status: Confirmed

CVE: CVE-2020-12135 (🔍)
GCVE (CVE): GCVE-0-2020-12135
GCVE (VulDB): GCVE-100-154341

Entryinfo

Created: 04/24/2020 11:23
Updated: 05/06/2025 13:21
Changes: 04/24/2020 11:23 (37), 04/24/2020 11:28 (17), 06/02/2024 14:43 (20), 06/02/2024 14:44 (1), 05/06/2025 13:21 (5)
Complete: 🔍
Cache ID: 216::103

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