CVE Vulnerability

CVE-2018-1172

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://zerodayinitiative.com/advisories/ZDI-18-309 Third Party Advisory VDB Entry
http://www.squid-cache.org/Advisories/SQUID-2018_3.txt Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:squid-cache:squid:3.5.27:*:*:*:*:*:*:*
Information

Published : 2018-05-16 09:29

Updated : 2019-10-09 11:38

NVD link : CVE-2018-1172

Mitre link : CVE-2018-1172

Products Affected
No products.
CWE
CWE-476