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  • #314

Closed
Open
Created Jun 23, 2020 by Emily@emily🤖

user/redis: CVE-2020-14147: lua_struct.c getnum integer overflow

Bugzilla ID 314
Alias(es) CVE-2020-14147
Reporter Max Rees (sroracle)
Assignee Max Rees (sroracle)
Reported 2020-06-22 23:14:09 -0500
Modified 2020-06-22 23:14:09 -0500
Status CONFIRMED
Version 1.0-RC1
Hardware Adélie Linux / All
Importance --- / normal
Package(s) user/redis
URL https://nvd.nist.gov/vuln/detail/CVE-2020-14147

Description

CVE-2020-14147: https://nvd.nist.gov/vuln/detail/CVE-2020-14147

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.

Introduced by https://github.com/antirez/redis/commit/1eb08bcd4634ae42ec45e8284923ac048beaa4c3
Fixed in >= 5.0.8 https://github.com/antirez/redis/commit/16b2d07f0a9b58027611dab7f97788d37cb5ab84

Edited Nov 04, 2021 by Zach van Rijn
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