CVE-2022-3647: Redis Crash Report debug.c sigsegvHandler denial of service
DISPUTED 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 leads to denial of service. The complexity of an attack is rather high. The exploitability is told to be difficult. The real existence of this vulnerability is still doubted at the moment. Upgrading to version 6.2.8 and 7.0.6 is able to address this issue. The patch is identified as 0bf90d944313919eb8e63d3588bf63a367f020a3. It is recommended to apply a patch to fix this issue. VDB-211962 is the identifier assigned to this vulnerability. NOTE: 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.
Other sources
DISPUTED 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. NOTE: 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.
Redis is vulnerable to a denial of service, caused by a flaw in the sigsegvHandler function in debug.c in the Crash Report component. By sending a specially-crafted request, a local authenticated attacker could exploit this vulnerability to cause a denial of service condition.
— IBM
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the vulnerability identifier for this Redis vulnerability?
The vulnerability identifier for this Redis vulnerability is CVE-2022-3647.
What is the severity level of CVE-2022-3647?
The severity level of CVE-2022-3647 is low.
What is the component of Redis that is affected by CVE-2022-3647?
The component of Redis that is affected by CVE-2022-3647 is Crash Report's sigsegvHandler function in the debug.c file.
How does CVE-2022-3647 impact the system?
CVE-2022-3647 can lead to denial of service.
Are there any available fixes for CVE-2022-3647?
At the moment, the real existence of this vulnerability is still doubted and no official fixes have been provided.