5.8
Medium
CVE-2019-1905 A vulnerability in the GZIP decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA)…
Description
A vulnerability in the GZIP decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper validation of GZIP-formatted files. An attacker could exploit this vulnerability by sending a malicious file inside a crafted GZIP-compressed file. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Email Security Appliance (ESA) | 12.0 | No fix stated |
References
- 20190619 Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability tools.cisco.com
- 108856 www.securityfocus.com
Timeline
- Published
- Last modified
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