Vigil@nce - InspIRCd: use after free via pgsql sqlauth/sqloper Modules
November 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian.
Severity: 2/4.
Consequences: user access/rights, denial of service on service.
Provenance: user account.
Confidence: confirmed by the editor (5/5).
Creation date: 18/09/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via pgsql
sqlauth/sqloper Modules of InspIRCd, in order to trigger a denial
of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/InspIRCd-use-after-free-via-pgsql-sqlauth-sqloper-Modules-33369