Wednesday, December 8, 2021

Reprise License Manager 14.2 Buffer Overflow


# 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
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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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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore