RCE in Budabot
CVE-2018-19290
In modules/HELPBOT_MODULE in Budabot 0.6 through 4.0, lax syntax validation allows remote attackers to perform a command injection attack against the PHP daemon with a crafted command, resulting in a denial of service or possibly unspecified other impact, as demonstrated by the "!calc 5 x 5" command. In versions before 3.0, modules/HELPBOT_MODULE/calc.php has the vulnerable code; in 3.0 and above, modules/HELPBOT_MODULE/HelpbotController.class.php has the vulnerable code.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
Weakness classification (CWE)
References
- seclists.org/fulldisclosure/2018/Nov/44 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/150391/Budabot-4.0-Denial-Of-Service.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-19290?
- CVE-2018-19290 is a critical-severity vulnerability in Budabot, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-11-30.
- How severe is CVE-2018-19290?
- Critical severity. CVSS v3 base score is 9.8 out of 10.