PT-2018-10778 · Squid Software Foundation+2 · Squid+2

Michael Marshall · Published 2018-04-19 · Updated 2024-06-15 · CVE-2018-1172

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Squid Software Foundation Squid version 3.5.27-20180318

Description This issue allows remote attackers to deny service on vulnerable installations. Authentication is not required to exploit this. The specific flaw exists within the ClientRequestContext::sslBumpAccessCheck() function. A crafted request can trigger the dereference of a null pointer, leading to a denial-of-service condition for users of the system.

Recommendations For The Squid Software Foundation Squid version 3.5.27-20180318, consider disabling the sslBumpAccessCheck functionality within the ClientRequestContext as a temporary workaround until a patch is available.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2018-1172

OPENSUSE-SU-2024:11403-1

SUSE-SU-2018:1122-1

SUSE-SU-2018:1365-1

SUSE-SU-2018_1122-1

SUSE-SU-2018_1365-1

ZDI-18-309

Affected Products

Squid

Squid Cache

Suse

References · 59

• https://osv.dev/vulnerability/DEBIAN-CVE-2018-1172 · Vendor Advisory
• http://squid-cache.org/Advisories/SQUID-2018_3.txt · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:1365-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11403-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:1122-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-1172 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-18-309 · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2018-1172 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-1172 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-1172 · Security Note
• https://suse.com/security/cve/CVE-2019-18860 · Note
• https://suse.com/security/cve/CVE-2019-12523 · Note
• https://suse.com/security/cve/CVE-2019-12528 · Note
• https://suse.com/security/cve/CVE-2018-19131 · Note
• https://suse.com/security/cve/CVE-2016-2571 · Note