CVE-2019-6706

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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e	Patch Third Party Advisory
http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html	Exploit Third Party Advisory VDB Entry
http://lua-users.org/lists/lua-l/2019-01/msg00039.html	Broken Link
https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf	Exploit Third Party Advisory
https://access.redhat.com/security/cve/cve-2019-6706	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:5.3.5:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Information

Published : 2019-01-23 11:29

Updated : 2022-11-08 05:18

NVD link : CVE-2019-6706

Mitre link : CVE-2019-6706

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

canonical

ubuntu_linux

lua

lua

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