Detections
Analytics
Squid 2.x < 4.12 / 5.x < 5.0.3 (SQUID-2020:5, SQUID-2020:6 & SQUID-2020:7)
high Nessus Plugin ID 139912
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Synopsis
The remote proxy server is affected by multiple vulnerabilitiesDescription
According to its banner, the version of Squid running on the remote host is 2.x prior to 4.12 or 5.x prior to 5.0.3. It is,therefore, affected by multiple vulnerabilities:- Multiple denial of service (DoS) vulnerabilities exist in the SMP cache and TLS handshake implementations of Squid. An unauthenticated, remote attacker can exploit these issues, by sending specially crafted requests to an affected instance, to impose a DoS condition on the application (CVE-2020-14058, CVE-2020-14059).
- A cache poisoning vulnerability exists in Squid due to insufficient user input validation. An authenticated, remote attacker can exploit this issue, to affect the integrity of the contents returned to users from the cache (CVE-2020-15049).
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to Squid version 4.12 or 5.0.3 or later.See Also
http://www.nessus.org/u?42df48c6
Plugin Details
Severity: High
ID: 139912
File Name: squid_5_0_3.nasl
Version: 1.3
Type: remote
Family: Firewalls
Published: 8/27/2020
Updated: 1/4/2021
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 4.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS Score Source: CVE-2020-15049
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:squid-cache:squid
Required KB Items: installed_sw/Squid, Settings/ParanoidReport
Exploit Ease: No known exploits are available
Patch Publication Date: 6/26/2020
Vulnerability Publication Date: 6/26/2020