SB2020113014 - Multiple vulnerabilities in HRSALE

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2020-29053)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "set_date" parameter in "admin/project/projects_calendar". A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) Path traversal (CVE-ID: CVE-2020-27993)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in "download?type=files&filename=../". A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://grimthereaperteam.medium.com/hrsale-v-2-0-0-reflected-cross-site-scripting-17a5617e2c6e
• https://hrsale.com/update_log.php
• https://www.exploit-db.com/exploits/48920