CVE-2019-1886
04.07.2019, 20:15
A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Secure Sockets Layer (SSL) server certificates. An attacker could exploit this vulnerability by installing a malformed certificate in a web server and sending a request to it through the Cisco WSA. A successful exploit could allow the attacker to cause an unexpected restart of the proxy process on an affected device.Enginsight
| Vendor | Product | Version |
|---|---|---|
| cisco | asyncos | 10.5 ≤ 𝑥 < 10.5.5-005 |
| cisco | asyncos | 11.5 ≤ 𝑥 < 11.5.2-020 |
| cisco | web_security_appliance | 10.5.2-072 |
| cisco | web_security_appliance | 10.5.3-025 |
| cisco | web_security_appliance | 11.7.0-fcs-334 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-20 - Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-295 - Improper Certificate ValidationThe software does not validate, or incorrectly validates, a certificate.