Full Disclosure mailing list archives

(Reprise License Manager) RLM 14.2 - Authenticated Buffer Overflow


From: Gionathan Reale via Fulldisclosure <fulldisclosure () seclists org>
Date: Sun, 5 Dec 2021 23:25:17 +0100 (CET)


# Product: Reprise License Manager 14.2
# Vendor: Reprise Software
# CVE ID: CVE-2021-44154
# Vulnerability Title: Authenticated Buffer Overflow
# Severity: High
# Author(s): Mark Staal Steenberg, Bilal El Ghoul, Gionathan Armando Reale, Andreas Fyhn Andersen, Oliver Lind 
Nordestgaard  
# Date: 2021-11-25
#############################################################
Introduction:
By using an authenticated account, an attacker can write a payload to /goform/edit_opt, which will then be triggered 
when running the diagnostics (via /goform/diagnostics_doit), resulting in a buffer overflow.

Vulnerability:
When writing to options within RLM, if an input is longer than 1024 chars it will result in a buffer overflow, allowing 
either a secfault, crashing the program, or potentially resulting in RCE.

Recommendation:
Validate input lengths before copying into a buffer.

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