CVE-2019-1905

Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability

State
Published
Severity
5.8 Medium
Published
Jun 20, 2019
Updated
Nov 19, 2024
Reserved
Dec 6, 2018

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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.

Scores

CVSSScoreVectorSource
3.05.8 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Ncisco

Weaknesses

Affected Products

ProductVersions
Cisco Email Security Appliance (ESA)Cisco
  • 12.0Affected

References

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