Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-32627


Redis is an open source, in-memory database that persists on disk. In affected versions an integer overflow bug in Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves changing the default proto-max-bulk-len and client-query-buffer-limit configuration parameters to very large values and constructing specially crafted very large stream elements. The problem is fixed in Redis 6.2.6, 6.0.16 and 5.0.14. For users unable to upgrade an additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the proto-max-bulk-len configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.


Published

2021-10-04T18:15:08.353

Last Modified

2024-11-21T06:07:24.570

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

6.8

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-190
    CWE-680
  • Type: Primary
    CWE-190

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redis redis < 5.0.14 Yes
Application redis redis < 6.0.16 Yes
Application redis redis < 6.2.6 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Operating System debian debian_linux 10.0 Yes
Operating System debian debian_linux 11.0 Yes
Application netapp management_services_for_element_software - Yes
Application netapp management_services_for_netapp_hci - Yes
Application oracle communications_operations_monitor 4.3 Yes
Application oracle communications_operations_monitor 4.4 Yes
Application oracle communications_operations_monitor 5.0 Yes

References