CVE-2017-3807
Last modified
CVE-2017-3807 is a vulnerability of currently unknown severity. A vulnerability in Common Internet Filesystem (CIFS) code in the Clientless SSL VPN functionality of Cisco ASA Software, Major Releases 9.0-9.6, could allow an authenticated, remote attacker to cause a heap overflow. The vulnerability is due to insufficient validation of user supplied input. EPSS estimates a 14.76% chance of exploitation in the next 30 days.
Description
A vulnerability in Common Internet Filesystem (CIFS) code in the Clientless SSL VPN functionality of Cisco ASA Software, Major Releases 9.0-9.6, could allow an authenticated, remote attacker to cause a heap overflow. The vulnerability is due to insufficient validation of user supplied input. An attacker could exploit this vulnerability by sending a crafted URL to the affected system. An exploit could allow the remote attacker to cause a reload of the affected system or potentially execute code. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed firewall mode only and in single or multiple context mode. This vulnerability can be triggered by IPv4 or IPv6 traffic. A valid TCP connection is needed to perform the attack. The attacker needs to have valid credentials to log in to the Clientless SSL VPN portal. Vulnerable Cisco ASA Software running on the following products may be affected by this vulnerability: Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco ASA for Firepower 9300 Series, Cisco ASA for Firepower 4100 Series. Cisco Bug IDs: CSCvc23838.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Adaptive Security Appliance Software | 7.0.1 |
| Cisco | Adaptive Security Appliance Software | 7.0.1.4 |
| Cisco | Adaptive Security Appliance Software | 7.0.2 |
| Cisco | Adaptive Security Appliance Software | 7.0.3 |
| Cisco | Adaptive Security Appliance Software | 7.0.4 |
| Cisco | Adaptive Security Appliance Software | 7.0.4.2 |
| Cisco | Adaptive Security Appliance Software | 7.0.5 |
| Cisco | Adaptive Security Appliance Software | 7.0.5.12 |
| Cisco | Adaptive Security Appliance Software | 7.0.6 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.4 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.8 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.18 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.22 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.26 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.29 |
| Cisco | Adaptive Security Appliance Software | 7.0.6.32 |
| Cisco | Adaptive Security Appliance Software | 7.0.7 |
| Cisco | Adaptive Security Appliance Software | 7.0.7.1 |
| Cisco | Adaptive Security Appliance Software | 7.0.7.4 |
| Cisco | Adaptive Security Appliance Software | 7.0.7.9 |
| Cisco | Adaptive Security Appliance Software | 7.0.7.12 |
| Cisco | Adaptive Security Appliance Software | 7.0.8 |
| Cisco | Adaptive Security Appliance Software | 7.0.8.2 |
| Cisco | Adaptive Security Appliance Software | 7.0.8.8 |
| Cisco | Adaptive Security Appliance Software | 7.0.8.12 |
| Cisco | Adaptive Security Appliance Software | 7.0.8.13 |
| Cisco | Adaptive Security Appliance Software | 7.1.2 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.16 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.20 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.24 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.28 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.38 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.42 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.46 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.49 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.53 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.61 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.64 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.72 |
| Cisco | Adaptive Security Appliance Software | 7.1.2.81 |
| Cisco | Adaptive Security Appliance Software | 7.2.1 |
| Cisco | Adaptive Security Appliance Software | 7.2.1.9 |
| Cisco | Adaptive Security Appliance Software | 7.2.1.13 |
| Cisco | Adaptive Security Appliance Software | 7.2.1.19 |
| Cisco | Adaptive Security Appliance Software | 7.2.1.24 |
| Cisco | Adaptive Security Appliance Software | 7.2.2 |
| Cisco | Adaptive Security Appliance Software | 7.2.2.6 |
| Cisco | Adaptive Security Appliance Software | 7.2.2.10 |
| Cisco | Adaptive Security Appliance Software | 7.2.2.14 |
| Cisco | Adaptive Security Appliance Software | 7.2.2.18 |
Showing 50 of 324 affected configurations. See NVD for the full list.
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170208-asaMitigation, Vendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170208-asaMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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