NULL pointer dereference in Jerryscript
CVE-2017-9250
The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in JerryScript 1.0 does not skip memory allocation for empty strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via malformed JavaScript source code, related to the jmem_heap_free_block function.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Jerryscript — versions 1.0
Weakness classification (CWE)
References
- github.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8 (Third Party Advisory)
- github.com/jerryscript-project/jerryscript/issues/1821 (Exploit, Third Party Advisory)
- github.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b2… (Patch, Third Party Advisory)
- www.securitytracker.com/id/1038413 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-9250?
- CVE-2017-9250 is a high-severity vulnerability in Jerryscript, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-05-28.
- How severe is CVE-2017-9250?
- High severity. CVSS v3 base score is 7.5 out of 10.