Detections
Analytics
Alpine: multiple squid packages: security update to 3.5.27-r2
high Tenable Cloud Security Plugin ID 424518
Description
There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:- This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid
Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability.
The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger
the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-
service condition to users of the system. Was ZDI-CAN-6088. (CVE-2018-1172)
- The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a
Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service
for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP
response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed
in 4.0.23 and later. (CVE-2018-1000024)
- The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL
Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in
Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server
responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to
have been fixed in 4.0.23 and later. (CVE-2018-1000027)
See Also
https://security.alpinelinux.org/vuln/CVE-2018-1000024
Plugin Details
Severity: High
ID: 424518
Version: Revision 1.8
Type: Local
Published: 4/4/2025
Updated: 7/2/2026
Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.18
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2018-1000027
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Vulnerability Publication Date: 1/23/2018