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.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

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

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2018-05-16 21:29

Updated : 2019-10-09 23:38

NVD link : CVE-2018-1172

Mitre link : CVE-2018-1172

CVE.ORG link : CVE-2018-1172

JSON object : View

Products Affected

squid-cache

squid

CWE

CWE-476

NULL Pointer Dereference

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