SQLite 3.32.2 Parse Tree select.c resetAccumulator use after free

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 (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in SQLite 3.32.2. It has been rated as critical. This vulnerability affects the function resetAccumulator of the file select.c of the component Parse Tree Handler. This manipulation causes use after free. This vulnerability is tracked as CVE-2020-13871. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SQLite 3.32.2. It has been declared as critical. Affected by this vulnerability is the function resetAccumulator of the file select.c of the component Parse Tree Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.

The weakness was disclosed 06/06/2020. This vulnerability is known as CVE-2020-13871 since 06/06/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/07/2020).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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

06/06/2020 🔍
06/06/2020 +0 days 🔍
06/07/2020 +1 days 🔍
10/22/2020 +137 days 🔍

Sourcesinfo

Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-13871 (🔍)
GCVE (CVE): GCVE-0-2020-13871
GCVE (VulDB): GCVE-100-156247

Entryinfo

Created: 06/07/2020 12:12
Updated: 10/22/2020 17:32
Changes: 06/07/2020 12:12 (37), 06/07/2020 12:17 (17), 10/22/2020 17:32 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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