CVE-2019-6706

· HIGHModified

← All CVEs

CVSS v3.1

7.5

EPSS

17.22%

Published

Jan 23, 2019

Modified

Nov 21, 2024

Public PoC / Exploit (2)

All weaponized →

Exploit-DBLua 5.3.5 - 'debug.upvaluejoin' Use After Free TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Lua 5.3.5 has a use-after-free in lua_upvaluejoin in lapi.c. For example, a crash outcome might be achieved by an attacker who is able to trigger a debug.upvaluejoin call in which the arguments have certain relationships.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-416

Affected Products (4)

lua · luavulnerable

canonical · ubuntu_linuxvulnerable

References (12)

http://lua-users.org/lists/lua-l/2019-01/msg00039.html

Broken Link

http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html

ExploitThird Party AdvisoryVDB Entry

https://access.redhat.com/security/cve/cve-2019-6706

Third Party Advisory

https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf

ExploitThird Party Advisory

https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e

PatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html