GHSA-pp7h-53gx-mx7r
Remote Memory Exposure in bl
At a glance
- Published
- Updated
- CVE
- CVE-2020-8244
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Description
A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.
Affected packages
| Package | Versions |
|---|---|
| npm · bl | introduced 0, fixed 1.2.3 |
| npm · bl | introduced 2.0.0, fixed 2.2.1 |
| npm · bl | introduced 3.0.0, fixed 3.0.1 |
| npm · bl | introduced 4.0.0, fixed 4.0.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-8244 ADVISORY
- https://github.com/rvagg/bl/commit/8a8c13c880e2bef519133ea43e0e9b78b5d0c91e WEB
- https://github.com/rvagg/bl/commit/d3e240e3b8ba4048d3c76ef5fb9dd1f8872d3190 WEB
- https://github.com/rvagg/bl/commit/dacc4ac7d5fcd6201bcf26fbd886951be9537466 WEB
- https://hackerone.com/reports/966347 WEB
- https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |