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

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
http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html	Issue Tracking Exploit Third Party Advisory
https://www.exploit-db.com/exploits/46246/	Exploit Patch Third Party Advisory VDB Entry
https://usn.ubuntu.com/3941-1/	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3706

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Information

Published : 2019-01-23 19:29

Updated : 2019-11-06 01:15

NVD link : CVE-2019-6706

Mitre link : CVE-2019-6706

JSON object : View

Products Affected

canonical

ubuntu_linux

lua

lua

CWE

CWE-416

Use After Free

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