by Kastro
Paper/Archive/CVE-2022-2421

CVE-2022-2421

Socket.io Socket.io-Parser — Socket.io - Improper type validation in attachment parsing

EPSS 2%CVSS 10.0
critical.is priorityof 100
45
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 75.5.755 × 2015.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.

Affected

ProductAffectedFixed inSource
Socket.io-Parser4.x – < 4.2.14.2.1CNA

Scores by source

DIVD (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

writeupcsirt.divd.nl/CVE-2022-2421writeupcsirt.divd.nl/DIVD-2022-00045