Lucene search

GoogleOSV:BIT-LUA-2020-24342

HistoryMar 06, 2024 - 10:57 a.m.

BIT-lua-2020-24342

2024-03-0610:57:11

Google

osv.dev

lua

stack redzone

luao_pushvfstring

protection mechanism

luad_callnoyield

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.001

Percentile

50.1%

JSON

Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.

References

lua-users.org/lists/lua-l/2020-07/msg00052.html

github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.001

Percentile

50.1%

JSON

Related for OSV:BIT-LUA-2020-24342