Redis up to 6.2.7/7.0.5 Crash Report debug.c sigsegvHandler denial of service ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Redis up to 6.2.7/7.0.5. This vulnerability affects the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation results in denial of service. This vulnerability is reported as CVE-2022-3647. No exploit exists. The existence of this vulnerability is still disputed at present. A patch should be applied to remediate this issue. The vendor claims that this is not a DoS because it applies to the crash logging mechanism which is triggered after a crash has occurred.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Redis up to 6.2.7/7.0.5. Affected is the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 10/21/2022 as 0bf90d944313919eb8e63d3588bf63a367f020a3. The advisory is available at github.com. This vulnerability is traded as CVE-2022-3647. Technical details are known, but there is no available exploit.

The real existence of this vulnerability is still doubted at the moment. The vendor claims that this is not a DoS because it applies to the crash logging mechanism which is triggered after a crash has occurred. The vulnerability scanner Nessus provides a plugin with the ID 239773 (TencentOS Server 4: redis (TSSA-2024:0037)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.2.8 or 7.0.6 eliminates this vulnerability. Applying the patch 0bf90d944313919eb8e63d3588bf63a367f020a3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the vulnerability database at Tenable (239773). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (VulDB): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239773
Nessus Name: TencentOS Server 4: redis (TSSA-2024:0037)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Redis 6.2.8/7.0.6
Patch: 0bf90d944313919eb8e63d3588bf63a367f020a3

Timelineinfo

10/21/2022 🔍
10/21/2022 +0 days 🔍
10/21/2022 +0 days 🔍
06/20/2025 +973 days 🔍

Sourcesinfo

Product: github.com

Advisory: 0bf90d944313919eb8e63d3588bf63a367f020a3
Status: Confirmed
Disputed: 🔍

CVE: CVE-2022-3647 (🔍)
GCVE (CVE): GCVE-0-2022-3647
GCVE (VulDB): GCVE-100-211962

Entryinfo

Created: 10/21/2022 19:59
Updated: 06/20/2025 11:29
Changes: 10/21/2022 19:59 (41), 11/19/2022 07:16 (1), 11/19/2022 07:18 (2), 11/19/2022 09:54 (2), 11/19/2022 10:02 (21), 02/06/2024 10:30 (2), 08/03/2024 04:46 (28), 06/20/2025 11:29 (2)
Complete: 🔍
Committer: arkamar
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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