Redis up to 5.0.13/6.0.15/6.2.5 redis-cli/redis-sentinel Service calloc integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability was found in Redis up to 5.0.13/6.0.15/6.2.5 and classified as critical. This issue affects the function calloc of the component redis-cli/redis-sentinel Service. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was presented 10/05/2021 as GHSA-833w-8v3m-8wwr. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-32762 since 05/12/2021. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.0.14, 6.0.16 or 6.2.6 eliminates this vulnerability. Applying the patch 0215324a66af949be39b34be2d55143232c1cb71 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Redis 5.0.14/6.0.16/6.2.6
Patch: 0215324a66af949be39b34be2d55143232c1cb71

Timelineinfo

05/12/2021 🔍
10/05/2021 +146 days 🔍
10/05/2021 +0 days 🔍
10/08/2021 +3 days 🔍

Sourcesinfo

Advisory: GHSA-833w-8v3m-8wwr
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32762 (🔍)

Entryinfo

Created: 10/05/2021 08:18
Updated: 10/08/2021 22:11
Changes: 10/05/2021 08:18 (52), 10/08/2021 22:11 (2)
Complete: 🔍

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