CVE-2021-44847

A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
toktoktoxcore
0.1.9 ≤
𝑥
≤ 0.1.11
toktoktoxcore
0.2.0 ≤
𝑥
≤ 0.2.12
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libtoxcore
bullseye
no-dsa
buster
no-dsa
bookworm
0.2.18-1
fixed
sid
0.2.19-1
fixed
trixie
0.2.19-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libtoxcore
noble
Fixed 0.2.13-1
released
mantic
Fixed 0.2.13-1
released
lunar
Fixed 0.2.13-1
released
kinetic
Fixed 0.2.13-1
released
jammy
Fixed 0.2.13-1
released
impish
ignored
hirsute
ignored
focal
needed
bionic
dne
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://github.com/TokTok/c-toxcore/pull/1718
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7EBS3NIRYJ7V3PTNINP3PJSVUHGZTGA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLTKINSPO5T65LB3ZASDPCREKUE22RYE/
https://github.com/TokTok/c-toxcore/pull/1718
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7EBS3NIRYJ7V3PTNINP3PJSVUHGZTGA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLTKINSPO5T65LB3ZASDPCREKUE22RYE/