CVE-2019-6706
Lua Use-After-Free Vulnerability
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.
INFO
Published Date :
Jan. 23, 2019, 7:29 p.m.
Last Modified :
June 23, 2023, 1:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-6706.
| URL | Resource |
|---|---|
| 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 | Exploit Third Party Advisory VDB 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 | Exploit Third Party Advisory |
| https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-6706 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-6706 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jun. 23, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 08, 2022
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://lua-users.org/lists/lua-l/2019-01/msg00039.html No Types Assigned http://lua-users.org/lists/lua-l/2019-01/msg00039.html Broken Link Changed Reference Type http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html No Types Assigned http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/security/cve/cve-2019-6706 No Types Assigned https://access.redhat.com/security/cve/cve-2019-6706 Third Party Advisory Changed Reference Type https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e No Types Assigned https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e Patch, Third Party Advisory Changed Reference Type https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf No Types Assigned https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf Exploit, Third Party Advisory -
CVE Modified by [email protected]
Oct. 18, 2022
Action Type Old Value New Value Removed Reference http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html [Exploit, Issue Tracking, Third Party Advisory] Removed Reference https://access.redhat.com/errata/RHSA-2019:3706 [No Types Assigned] Removed Reference https://usn.ubuntu.com/3941-1/ [Third Party Advisory] Removed Reference https://www.exploit-db.com/exploits/46246/ [Exploit, Patch, Third Party Advisory, VDB Entry] Added Reference https://github.com/lua/lua/commit/89aee84cbc9224f638f3b7951b306d2ee8ecb71e [No Types Assigned] Added Reference http://packetstormsecurity.com/files/151335/Lua-5.3.5-Use-After-Free.html [No Types Assigned] Added Reference http://lua-users.org/lists/lua-l/2019-01/msg00039.html [No Types Assigned] Added Reference https://github.com/Lua-Project/cve-analysis/blob/a43c9ccd00274b31fa2f24c6c8f20ce36655682d/CVE-2019-6706.pdf [No Types Assigned] Added Reference https://access.redhat.com/security/cve/cve-2019-6706 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 06, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:3706 [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 22, 2019
Action Type Old Value New Value Changed Reference Type https://usn.ubuntu.com/3941-1/ No Types Assigned https://usn.ubuntu.com/3941-1/ Third Party Advisory Changed Reference Type http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html Issue Tracking, Third Party Advisory http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html Exploit, Issue Tracking, Third Party Advisory Added CPE Configuration 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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 08, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3941-1/ [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 26, 2019
Action Type Old Value New Value Changed Reference Type https://www.exploit-db.com/exploits/46246/ No Types Assigned https://www.exploit-db.com/exploits/46246/ Exploit, Patch, Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Jan. 26, 2019
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/46246/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 25, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html No Types Assigned http://lua.2524044.n2.nabble.com/Bug-Report-Use-after-free-in-debug-upvaluejoin-tc7685506.html Issue Tracking, Third Party Advisory Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:a:lua:lua:5.3.5:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-6706 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-6706
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.98 }} -0.35%
score
0.90926
percentile