Cesanta

Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via mjs_disown at src/mjs_core.c.

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_stack_size at mjs/src/mjs_core.c. This vulnerability can lead to a Denial of Service (DoS).

There is an Assertion `mjs_stack_size(&mjs->scopes) > 0' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.

There is an Assertion `mjs_stack_size(&mjs->scopes) >= scopes_len' failed at src/mjs_exec.c in Cesanta MJS v2.20.0.

There is an Assertion 'ppos != NULL && mjs_is_number(*ppos)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.

Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via mjs_mk_string at mjs/src/mjs_string.c.

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_apply at src/mjs_exec.c. This vulnerability can lead to a Denial of Service (DoS).

There is an Assertion `m->len >= sizeof(v)' failed at src/mjs_core.c in Cesanta MJS v2.20.0.

There is an Assertion `s < mjs->owned_strings.buf + mjs->owned_strings.len' failed at src/mjs_gc.c in Cesanta MJS v2.20.0.

Cesanta MJS v2.20.0 was discovered to contain a stack overflow via snquote at mjs/src/mjs_json.c.

There is an Assertion `i < parts_cnt' failed at src/mjs_bcode.c in Cesanta MJS v2.20.0.

Stack overflow vulnerability in parse_equality Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_shifts Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_comparison Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_statement_list Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_plus_minus Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_block Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_statement Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_unary Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_array Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_mul_div_rem Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Stack overflow vulnerability in parse_value Cesanta MJS 1.20.1, allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

In mjs_json.c in Cesanta MongooseOS mJS 1.26, a maliciously formed JSON string can trigger an off-by-one heap-based buffer overflow in mjs_json_parse, which can potentially lead to redirection of control flow. NOTE: the original reporter disputes the significance of this finding…

The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

The mg_http_serve_file function in Cesanta Mongoose HTTP server 7.0 is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.

An issue was discovered in Mongoose before 6.15. The parse_mqtt() function in mg_mqtt.c has a critical heap-based buffer overflow.

An invalid read of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

An invalid read of 8 bytes due to a use-after-free vulnerability during a "return" in the mg_http_get_proto_data function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

An invalid read of 8 bytes due to a use-after-free vulnerability during a "NULL test" in the mg_http_get_proto_data function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

Use-after-free vulnerability in the mg_cgi_ev_handler function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

In Cesanta Mongoose 6.13, a SIGSEGV exists in the mongoose.c mg_mqtt_add_session() function.

An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13. It is a heap-based buffer over-read in mg_mqtt_next_subscribe_topic. A specially crafted MQTT SUBSCRIBE packet can cause an arbitrary out-of-bounds memory…

An exploitable arbitrary memory read vulnerability exists in the MQTT packet-parsing functionality of Cesanta Mongoose 6.13. It is a heap-based buffer over-read in a parse_mqtt getu16 call. A specially crafted MQTT SUBSCRIBE packet can cause an arbitrary out-of-bounds memory…