CVE-2022-2421GHSA-QM95-PGCG-QQFQ
Socket.io - Improper type validation in attachment parsing
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.2.1, 4.0.5, 3.3.3, 3.4.2
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- Socket.io Socket.io-Parser
From 4.x · fixed in 4.2.1
- socket.io-parsernpm
From 4.0.0 · fixed in 4.0.5
- socket.io-parsernpm
From 4.1.0 · fixed in 4.2.1
- socket.io-parsernpm
fixed in 3.3.3
- socket.io-parsernpm
From 3.4.0 · fixed in 3.4.2