BIT-REDIS-2022-24834 Heap overflow issue with the Lua cjson library used by Redis

Redis is an in-memory database that persists on disk. A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson library, and result with heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support,...

BIT-OPENRESTY-2020-36309

ngxhttpluamodule aka lua-nginx-module before 0.10.16 in OpenResty allows unsafe characters in an argument when using the API to mutate a URI, or a request or response header...

BIT-LUA-2020-15888

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...

BIT-LUA-2020-15889

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...

BIT-LUA-2020-15945

Lua 5.4.0 fixed in 5.4.1 has a segmentation fault in changedline in ldebug.c e.g., when called by luaGtraceexec because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function...

BIT-LUA-2020-24342

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

BIT-LUA-2020-24369

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...

BIT-LUA-2020-24370

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal3,2^31...

BIT-LUA-2020-24371

lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage...

BIT-LUA-2021-43519

Stack overflow in luaresume of ldo.c in Lua Interpreter 5.1.05.4.4 allows attackers to perform a Denial of Service via a crafted script file...

BIT-LUA-2021-44647

Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service...

BIT-LUA-2021-44964

Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.05.4.3 allows attackers to perform Sandbox Escape via a crafted script file...

BIT-LUA-2021-45985

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read...

BIT-LUA-2022-28805

singlevar in lparser.c in Lua from including 5.4.0 up to excluding 5.4.4 lacks a certain luaKexp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code...

BIT-LUA-2022-33099

An issue in the component luaGrunerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs...

BIT-APACHE-2021-44790 Possible buffer overflow when parsing multipart content in mod_lua of Apache HTTP Server 2.4.51 and earlier

A carefully crafted request body can cause a buffer overflow in the modlua multipart parser r:parsebody called from Lua scripts. The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier...

BIT-ENVOY-2023-27492 Envoy may crash when a large request body is processed in Lua filter

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the Lua filter is vulnerable to denial of service. Attackers can send large request bodies for routes that have Lua filter enabled and trigger...

BIT-APACHE-2022-28615 Read beyond bounds in ap_strcmp_match()

Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in apstrcmpmatch when provided with an extremely large input buffer. While no code distributed with the server can be coerced into such a call, third-party modules or lua scripts that use...

BIT-APACHE-2022-29404 Denial of service in mod_lua r:parsebody

In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody0 may cause a denial of service due to no default limit on possible input size...

BIT-APISIX-2022-25757 Apache APISIX: the body_schema check in request-validation plugin can be bypassed

In Apache APISIX before 2.13.0, when decoding JSON with duplicate keys, lua-cjson will choose the last occurred value as the result. By passing a JSON with a duplicate key, the attacker can bypass the bodyschema validation in the request-validation plugin. For example,...