bl

CVE-2020-8244
MEDIUM 6.5

At a glance

Source
NVD
EPSS
EPSS 2.10 % · percentile 82 ()
State
PUBLISHED
Published
Updated
Assigner
hackerone
NVD status
Modified

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 6.4AV:N/AC:L/Au:N/C:P/I:N/A:PNVD · nvd@nist.gov (Primary)

Advisories

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
blaffected Fixed in 4.0.3, 3.0.1, 2.2.1, and 1.2.3

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD