Verint Impact 360 15.1 Open Redirect

2020.07.16
Credit: Ryan Delaney
Risk: Low
Local: No
Remote: Yes
CWE: CWE-601

<!-- # Exploit Title: Verint Impact 360 onLogin open redirect # Date: 7-13-2020 # Exploit Author: Ryan Delaney # Author Contact: ryan.delaney@owasp.org # Author LinkedIn: https://www.linkedin.com/in/infosecrd/ # Vendor Homepage: https://www.verint.com/ # Software Link: https://www.verint.com/engagement/our-offerings/solutions/workforce-optimization/ # Version: Impact 360 v15.1 # Tested on: Impact 360 v15.1 # CVE: CVE-2019-12783 1. Description An issue was discovered in Verint Impact 360 15.1. At wfo/control/signin, the rd parameter can accept a URL, to which users will be redirected after a successful login. In combination with CVE-2019-12784, this may allow attackers to compromise credentials via bruteforce even if the site is not accessible to the attacker due to firewall rules or network configuration. 2. Mitigation Create firewall rules that drop outbound traffic to unknown hosts with a referrer of the Impact 360 system. Request a patch from Verint. Verint has not patched this vulnerability to my knowledge, despite having been made aware of it over a year ago. 3. PoC Withheld due to possible legal threat. 4. Timeline Discovered: 6-7-2019 CVE assigned: 6-10-2019 First contact: 6-14-2019 (no response) Follow-up 1: 6-25-2019 Reply received: 7-9-2019 (stating that the responsible disclosure line was for the community edition and report would be forwarded to enterprise) Follow-up 2: 7-16-2019 Reply received: 7-19-2019 (cc'ing another individual and asking them to follow up with me) Follow-up 3: 8-30-2019 (no response) Follow-up 4: 9-4-2019 (no response) Follow-up 5: 9-11-2019 (no response) Follow-up 6: 1-6-2020 (notification of intent to disclose in 90 days, no response) Follow-up 7: 3-5-2020 (notification of intent to disclose in 30 days) Reply received: 3-6-2020 (requesting addition delay for disclosure) Follow-up 8: 3-27-2020 (no response) Follow-up 9: 5-18-2020 (no response) Follow-up 10: 6-25-2020 (notification of intent to disclose, requesting confirmation that legal action will not be pursued, no response) Published: 7-13-2020 (260 business days after initial report) -->


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