CVE-2020-13695 — In QuickBox Community Edition through 2

In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user has sudo privileges to execute grep as root without a password, which allows an attacker to obtain sensitive information via a grep of a /root/*.db or /etc/shadow file.

01What is this vulnerability?

In QuickBox Community Edition through 2.5.5 and Pro Edition through 2.1.8, the local www-data user has sudo privileges to execute grep as root without a password, which allows an attacker to obtain sensitive information via a grep of a /root/*.db or /etc/shadow file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-06-01T17:45:16.000Z
• Last modified: 2024-08-04T12:25:16.481Z

09References

• s1gh.sh — https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/