PoC Index

CVE-2020-8244

MEDIUM 6.5EPSS 2.2%

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.

CVSS v3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS
2.18% chance of exploitation in the next 30 days, 81th percentile
Published
2020-08-30
Updated
2024-08-04

Proof-of-concept exploits (2)

References

Related