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mruby mruby vulnerabilities and exploits
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7.5
CVSSv3
CVE-2018-14337
The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.
Mruby Mruby 1.4.1
Debian Debian Linux 9.0
7.5
CVSSv3
CVE-2018-12247
An issue exists in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).
Mruby Mruby 1.4.1
7.5
CVSSv3
CVE-2018-12249
An issue exists in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in class.c.
Mruby Mruby 1.4.1
Debian Debian Linux 9.0
7.5
CVSSv3
CVE-2018-12248
An issue exists in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.
Mruby Mruby 1.4.1
9.8
CVSSv3
CVE-2018-11743
The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows malicious users to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.
Mruby Mruby 1.4.1
Debian Debian Linux 9.0
9.8
CVSSv3
CVE-2018-10199
In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.
Mruby Mruby
9.8
CVSSv3
CVE-2018-10191
In versions of mruby up to and including 1.4.0, an integer overflow exists in src/vm.c::mrb_vm_exec() when handling OP_GETUPVAR in the presence of deep scope nesting, resulting in a use-after-free. An attacker that can cause Ruby code to be run can use this to possibly execute ar...
Mruby Mruby
Debian Debian Linux 9.0
7.8
CVSSv3
CVE-2017-9527
The mark_context_stack function in gc.c in mruby up to and including 1.2.0 allows malicious users to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.
Mruby Mruby
Debian Debian Linux 9.0
7.5
CVSSv3
CVE-2016-4864
H2O versions 2.0.3 and previous versions and 2.1.0-beta2 and previous versions allows remote malicious users to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.
Dena H2o
Dena H2o 2.1.0
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-33572
CVE-2024-24919
CVE-2024-0230
CVE-2024-32714
HTML injection
local file inclusion
CVE-2024-31098
CVE-2024-31244
privilege
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