CVE-2020-14315

EUVD-2020-6467
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
Affected Products (NVD)
VendorProductVersion
daemonologybsdiff
4.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bsdiff
bookworm
4.3-23
fixed
bullseye
4.3-22
fixed
buster
no-dsa
sid
4.3-23
fixed
stretch
no-dsa
trixie
4.3-23
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bsdiff
bionic
needs-triage
eoan
ignored
focal
needs-triage
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
dne
xenial
needs-triage