This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2020-8244 →

DEBIAN-CVE-2020-8244

A buffer over-read vulnerability exists in bl

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 node-bl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-1"}]}]

Debian:13 node-bl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-1"}]}]

Debian:14 node-bl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-1"}]}]

References

advisory security-tracker.debian.org