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

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3.1	$0-$5k	0.06

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. CVE summarizes:

A vulnerability, which was classified as problematic, was found in Redis. Affected is the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation leads to denial of service. The real existence of this vulnerability is still doubted at the moment. The name of the patch is 0bf90d944313919eb8e63d3588bf63a367f020a3. It is recommended to apply a patch to fix this issue. VDB-211962 is the identifier assigned to this vulnerability.

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.

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.

Productinfo

Name

Redis

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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: 🔍
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Exploitinginfo

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

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍