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 because "there isn’t very much of an opportunity to exploit this reliably for an information leak, so there isn’t any real security impact."
References
| Link | Resource |
|---|---|
| https://github.com/418sec/mjs/pull/2 | Patch Third Party Advisory |
| https://github.com/cesanta/mjs/releases/tag/1.26 | Release Notes Third Party Advisory |
| https://huntr.dev/bounties/1-other-mjs/ | Exploit Third Party Advisory |
Configurations
History
07 Nov 2023, 03:35
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | 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 because "there isn’t very much of an opportunity to exploit this reliably for an information leak, so there isn’t any real security impact." |
Information
Published : 2021-04-29 02:15
Updated : 2024-08-03 23:15
NVD link : CVE-2021-31875
Mitre link : CVE-2021-31875
CVE.ORG link : CVE-2021-31875
JSON object : View
Products Affected
cesanta
- mongooseos_mjs