PT-2019-18520 · Zen · Zen Load Balancer

Code16 · Published 2019-02-01 · Updated 2020-08-24 · CVE-2019-7301

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Zen Load Balancer version 3.10.1

Description The issue allows remote authenticated admin users to execute arbitrary commands as root via shell metacharacters in the certname parameter of the "index.cgi?action=View Cert" API endpoint.

Recommendations For Zen Load Balancer version 3.10.1, as a temporary workaround, consider restricting access to the "index.cgi?action=View Cert" API endpoint to minimize the risk of exploitation. Avoid using the certname parameter in this endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2019-7301

Affected Products

Zen Load Balancer

References · 5

• 🔥 https://code610.blogspot.com/2019/01/rce-in-zenload-balancer.html · Exploit
• https://osv.dev/vulnerability/CVE-2019-7301 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-7301 · Security Note
• http://securityfocus.com/bid/106812 · Note
• https://t.me/defcon_news/42768 · Telegram Post