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CVE-2020-14147

Published: 15 June 2020

An integer overflow in the getnum function in lua_struct.c in Redis before 6.0.3 allows context-dependent attackers with permission to run Lua code in a Redis session to cause a denial of service (memory corruption and application crash) or possibly bypass intended sandbox restrictions via a large number, which triggers a stack-based buffer overflow. NOTE: this issue exists because of a CVE-2015-8080 regression.

Priority

Medium

Cvss 3 Severity Score

7.7

Score breakdown

Status

Package Release Status
redis
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
focal Needed

hirsute Not vulnerable
(5:6.0.0-1)
impish Not vulnerable
(5:6.0.0-1)
trusty Not vulnerable
(code not present)
jammy Not vulnerable
(5:6.0.0-1)
lunar Not vulnerable
(5:6.0.0-1)
eoan Ignored
(end of life)
groovy Ignored
(end of life)
kinetic Not vulnerable
(5:6.0.0-1)
upstream
Released (5:6.0.0-1)
mantic Not vulnerable
(5:6.0.0-1)

Severity score breakdown

Parameter Value
Base score 7.7
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H