Search criteria
12 vulnerabilities found for mbed_os by arm
CVE-2024-48984 (GCVE-0-2024-48984)
Vulnerability from nvd – Published: 2024-11-20 00:00 – Updated: 2024-11-25 21:09
VLAI?
Summary
An issue was discovered in MBed OS 6.16.0. When parsing hci reports, the hci parsing software dynamically determines the length of a list of reports by reading a byte from an input stream. It then fetches the length of the first report, uses it to calculate the beginning of the second report, etc. In doing this, it tracks the largest report so it can later allocate a buffer that fits every individual report (but only one at a time). It does not, however, validate that these addresses are all contained within the buffer passed to hciEvtProcessLeExtAdvReport. It is then possible, though unlikely, that the buffer designated to hold the reports is allocated in such a way that one of these out-of-bounds length fields is contained within the new buffer. When the (n-1)th report is copied, it overwrites the length field of the nth report. This now corrupted length field is then used for a memcpy into the new buffer, which may lead to a buffer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2024-22905 (GCVE-0-2024-22905)
Vulnerability from nvd – Published: 2024-04-19 00:00 – Updated: 2024-08-01 22:51
VLAI?
Summary
Buffer Overflow vulnerability in ARM mbed-os v.6.17.0 allows a remote attacker to execute arbitrary code via a crafted script to the hciTrSerialRxIncoming function.
Severity ?
CWE
- n/a
Assigner
References
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CVE-2020-12886 (GCVE-0-2020-12886)
Vulnerability from nvd – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
A buffer over-read was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse() parses the CoAP packet header starting from the message token. The length of the token in the received message is provided in the first byte parsed by the sn_coap_parser_options_parse() function. The length encoded in the message is not validated against the actual input buffer length before accessing the token. As a result, memory access outside of the intended boundary of the buffer may occur.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2020-12885 (GCVE-0-2020-12885)
Vulnerability from nvd – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
An infinite loop was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse_multiple_options() parses CoAP options in a while loop. This loop's exit condition is computed using the previously allocated heap memory required for storing the result of parsing multiple options. If the input heap memory calculation results in zero bytes, the loop exit condition is never met and the loop is not terminated. As a result, the packet parsing function never exits, leading to resource consumption.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2020-12884 (GCVE-0-2020-12884)
Vulnerability from nvd – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
A buffer over-read was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse_multiple_options() parses CoAP options that may occur multiple consecutive times in a single packet. While processing the options, packet_data_pptr is accessed after being incremented by option_len without a prior out-of-bounds memory check. The temp_parsed_uri_query_ptr is validated for a correct range, but the range valid for temp_parsed_uri_query_ptr is derived from the amount of allocated heap memory, not the actual input size. Therefore the check of temp_parsed_uri_query_ptr may be insufficient for safe access to the area pointed to by packet_data_pptr. As a result, access to a memory area outside of the intended boundary of the packet buffer is made.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-12883 (GCVE-0-2020-12883)
Vulnerability from nvd – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
Buffer over-reads were discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse() parses CoAP input linearly using a while loop. Once an option is parsed in a loop, the current point (*packet_data_pptr) is increased correspondingly. The pointer is restricted by the size of the received buffer, as well as by the option delta and option length bytes. The actual input packet length is not verified against the number of bytes read when processing the option extended delta and the option extended length. Moreover, the calculation of the message_left variable, in the case of non-extended option deltas, is incorrect and indicates more data left for processing than provided in the function input. All of these lead to heap-based or stack-based memory location read access that is outside of the intended boundary of the buffer. Depending on the platform-specific memory management mechanisms, it can lead to processing of unintended inputs or system memory access violation errors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2024-48984 (GCVE-0-2024-48984)
Vulnerability from cvelistv5 – Published: 2024-11-20 00:00 – Updated: 2024-11-25 21:09
VLAI?
Summary
An issue was discovered in MBed OS 6.16.0. When parsing hci reports, the hci parsing software dynamically determines the length of a list of reports by reading a byte from an input stream. It then fetches the length of the first report, uses it to calculate the beginning of the second report, etc. In doing this, it tracks the largest report so it can later allocate a buffer that fits every individual report (but only one at a time). It does not, however, validate that these addresses are all contained within the buffer passed to hciEvtProcessLeExtAdvReport. It is then possible, though unlikely, that the buffer designated to hold the reports is allocated in such a way that one of these out-of-bounds length fields is contained within the new buffer. When the (n-1)th report is copied, it overwrites the length field of the nth report. This now corrupted length field is then used for a memcpy into the new buffer, which may lead to a buffer overflow.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2024-22905 (GCVE-0-2024-22905)
Vulnerability from cvelistv5 – Published: 2024-04-19 00:00 – Updated: 2024-08-01 22:51
VLAI?
Summary
Buffer Overflow vulnerability in ARM mbed-os v.6.17.0 allows a remote attacker to execute arbitrary code via a crafted script to the hciTrSerialRxIncoming function.
Severity ?
CWE
- n/a
Assigner
References
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CVE-2020-12883 (GCVE-0-2020-12883)
Vulnerability from cvelistv5 – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
Buffer over-reads were discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse() parses CoAP input linearly using a while loop. Once an option is parsed in a loop, the current point (*packet_data_pptr) is increased correspondingly. The pointer is restricted by the size of the received buffer, as well as by the option delta and option length bytes. The actual input packet length is not verified against the number of bytes read when processing the option extended delta and the option extended length. Moreover, the calculation of the message_left variable, in the case of non-extended option deltas, is incorrect and indicates more data left for processing than provided in the function input. All of these lead to heap-based or stack-based memory location read access that is outside of the intended boundary of the buffer. Depending on the platform-specific memory management mechanisms, it can lead to processing of unintended inputs or system memory access violation errors.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
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CVE-2020-12884 (GCVE-0-2020-12884)
Vulnerability from cvelistv5 – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
A buffer over-read was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse_multiple_options() parses CoAP options that may occur multiple consecutive times in a single packet. While processing the options, packet_data_pptr is accessed after being incremented by option_len without a prior out-of-bounds memory check. The temp_parsed_uri_query_ptr is validated for a correct range, but the range valid for temp_parsed_uri_query_ptr is derived from the amount of allocated heap memory, not the actual input size. Therefore the check of temp_parsed_uri_query_ptr may be insufficient for safe access to the area pointed to by packet_data_pptr. As a result, access to a memory area outside of the intended boundary of the packet buffer is made.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2020-12885 (GCVE-0-2020-12885)
Vulnerability from cvelistv5 – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
An infinite loop was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse_multiple_options() parses CoAP options in a while loop. This loop's exit condition is computed using the previously allocated heap memory required for storing the result of parsing multiple options. If the input heap memory calculation results in zero bytes, the loop exit condition is never met and the loop is not terminated. As a result, the packet parsing function never exits, leading to resource consumption.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2020-12886 (GCVE-0-2020-12886)
Vulnerability from cvelistv5 – Published: 2020-06-18 18:24 – Updated: 2024-08-04 12:11
VLAI?
Summary
A buffer over-read was discovered in the CoAP library in Arm Mbed OS 5.15.3. The CoAP parser is responsible for parsing received CoAP packets. The function sn_coap_parser_options_parse() parses the CoAP packet header starting from the message token. The length of the token in the received message is provided in the first byte parsed by the sn_coap_parser_options_parse() function. The length encoded in the message is not validated against the actual input buffer length before accessing the token. As a result, memory access outside of the intended boundary of the buffer may occur.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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