Hiredis RESP calloc integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Hiredis and classified as critical. This affects the function calloc of the component RESP Handler. This manipulation causes integer overflow. This vulnerability appears as CVE-2021-32765. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Hiredis (the affected version unknown). It has been declared as critical. Affected by this vulnerability is the function calloc of the component RESP Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/05/2021 as GHSA-hfm9-39pp-55p2. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-32765 since 05/12/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 76a7b10005c70babee357a7d0f2becf28ec7ed1e is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

CNA Base Score: 8.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 76a7b10005c70babee357a7d0f2becf28ec7ed1e

Timelineinfo

05/12/2021 🔍
10/05/2021 +146 days 🔍
10/05/2021 +0 days 🔍
10/09/2021 +4 days 🔍

Sourcesinfo

Advisory: GHSA-hfm9-39pp-55p2
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32765 (🔍)
GCVE (CVE): GCVE-0-2021-32765
GCVE (VulDB): GCVE-100-183823

Entryinfo

Created: 10/05/2021 11:31
Updated: 10/09/2021 08:20
Changes: 10/05/2021 11:31 (31), 10/05/2021 11:32 (19), 10/09/2021 08:11 (2), 10/09/2021 08:16 (7), 10/09/2021 08:20 (1)
Complete: 🔍
Cache ID: 216::103

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