Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-18677

An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to incorrect message processing, it can inappropriately redirect traffic to origins it should not be delivered to.

Published

2019-11-26T17:15:12.923

Last Modified

2024-11-21T04:33:30.820

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-352
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application squid-cache squid ≤ 2.7 Yes
Application squid-cache squid ≤ 3.5.28 Yes
Application squid-cache squid ≤ 4.8 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Application squid-cache squid 2.7 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 19.04 Yes
Operating System canonical ubuntu_linux 19.10 Yes
Operating System fedoraproject fedora 30 Yes
Operating System fedoraproject fedora 31 Yes
References