CVE-2020-8244

MEDIUM

6.5

Description

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/30/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

bufferlist_project:bufferlistdebian:debian_linux

Weaknesses (CWE)

CWE-126CWE-125

References

https://hackerone.com/reports/966347(support@hackerone.com)

https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html(support@hackerone.com)

https://hackerone.com/reports/966347(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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