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Vulnerability
CVE-2019-6706
Published:
2019-01-23
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.
See advisories in our WLB2 database:
Topic
Author
Date
High
Lua 5.3.5 Use-After-Free
Fady Mohamed Osm...
25.01.2019
Type:
CWE-416
(Use After Free)
CVSS2
=> (AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
LUA
->
LUA
Canonical
->
Ubuntu linux
References:
http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html
https://usn.ubuntu.com/3941-1/
https://www.exploit-db.com/exploits/46246/
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