CVEvulnerability
CVE-2018-1172
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-05-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
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.
Affected configurations
• squid-cache squid 3.5.27
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://www.squid-cache.org/Advisories/SQUID-2018_3.txt Vendor Advisory
- https://zerodayinitiative.com/advisories/ZDI-18-309 Third Party Advisory, VDB Entry
- http://www.squid-cache.org/Advisories/SQUID-2018_3.txt Vendor Advisory
- https://zerodayinitiative.com/advisories/ZDI-18-309 Third Party Advisory, VDB Entry