CVE-2021-32627

Severity
7.5HIGH
EPSS
0.6%
top 30.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 4
Latest updateAug 3

Description

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 a

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages4 packages

NVDredis/redis5.0.05.0.14+2
Debianredis< 5:6.0.16-1+deb11u1+3
CVEListV5redis/redis>= 5.0.0, < 5.0.14, >= 6.0.0, < 6.0.16, >= 6.2.0, < 6.2.6+2

Also affects: Debian Linux 10.0, 11.0, Fedora 33, 34, 35

Patches

🔴Vulnerability Details

2
OSV
CVE-2021-32627: Redis is an open source, in-memory database that persists on disk2021-10-04
CVEList
Integer overflow issue with Streams in Redis2021-10-04

📋Vendor Advisories

4
Ubuntu
Redis vulnerabilities2022-08-03
Microsoft
Integer overflow issue with Streams in Redis2021-10-12
Red Hat
redis: Integer overflow issue with Streams2021-10-04
Debian
CVE-2021-32627: redis - Redis is an open source, in-memory database that persists on disk. In affected v...2021