Roberto Ierusalimschy

12 exploits Active since Jan 2019
CVE-2019-6706 WRITEUP HIGH WRITEUP
Lua 5.3.5 - Use-After-Free in lua_upvaluejoin
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 7.5
CVE-2020-15888 WRITEUP HIGH WRITEUP
Lua <= 5.4.0 - Heap-Based Buffer Over-Read via Stack Resize and Garbage Collection Interaction
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
CVSS 8.8
CVE-2020-24370 WRITEUP MEDIUM WRITEUP
Lua 5.4.0 - Integer Underflow via getlocal/setlocal Debug Interface
ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).
CVSS 5.3
CVE-2020-15888 WRITEUP HIGH WRITEUP
Lua <= 5.4.0 - Heap-Based Buffer Over-Read via Stack Resize and Garbage Collection Interaction
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
CVSS 8.8
CVE-2020-15889 WRITEUP CRITICAL WRITEUP
Lua 5.4.0 - Heap-Based Buffer Over-Read in youngcollection
Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.
CVSS 9.8
CVE-2020-15945 WRITEUP MEDIUM WRITEUP
Lua 5.3.1-5.4.0 - Denial of Service via Segmentation Fault in ldebug.c
Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.
CVSS 5.5
CVE-2020-24342 WRITEUP HIGH WRITEUP
Lua <= 5.4.0 - Stack-Based Buffer Overflow via luaO_pushvfstring
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.
CVSS 7.8
CVE-2020-24369 WRITEUP HIGH WRITEUP
Lua 5.4.0 - NULL Pointer Dereference in ldebug.c Line Hook
ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.
CVSS 7.5
CVE-2020-24371 WRITEUP MEDIUM WRITEUP
Lua 5.4.0 - Use-After-Free in Garbage Collection
lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.
CVSS 5.3
CVE-2021-45985 WRITEUP HIGH WRITEUP
Lua 5.4.0-5.4.3 - Heap-Based Buffer Over-Read via Erroneous Finalizer
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
CVSS 7.5
CVE-2022-28805 WRITEUP CRITICAL WRITEUP
Lua 5.4.0-5.4.3 - Heap-Based Buffer Over-Read in lparser.c singlevar
singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.
CVSS 9.1
CVE-2022-33099 WRITEUP HIGH WRITEUP
Lua 5.4.2-5.4.4 - Heap-Based Buffer Overflow in luaG_runerror
An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.
CVSS 7.5