CVE-2020-8244

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
hackeroneCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
bufferlist_projectbufferlist
𝑥
< 1.2.3
bufferlist_projectbufferlist
2.0.0 ≤
𝑥
< 2.2.1
bufferlist_projectbufferlist
3.0.0 ≤
𝑥
< 3.0.1
bufferlist_projectbufferlist
4.0.0 ≤
𝑥
< 4.0.3
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
node-bl
bullseye
4.0.3-1
fixed
sid
5.1.0-1
fixed
trixie
5.1.0-1
fixed
bookworm
5.1.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
node-bl
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
needs-triage
bionic
Fixed 1.1.2-1ubuntu1.1
released
xenial
Fixed 0.9.3-1ubuntu0.1~esm1
released
trusty
dne