Jerryscript
CVE-2020-29657
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
AnalysisAI
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file. Affected products include: Jerryscript.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
More in Jerryscript
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An issue was discovered in JerryScript 1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitab
An issue was discovered in JerryScript 1.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitab
An issue was discovered in JerryScript 2.4.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable
The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in JerryScript 1.0 does not skip memory alloc
JerryScript 1.0 allows remote attackers to cause a denial of service (jmem_heap_alloc_block_internal heap memory corrupt
Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the component parser_parse_functio
Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the component ecma_builtin_typedar
Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via the component scanner_literal_is_created at /jerr
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_ident
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
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External POC / Exploit Code
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