Upstream information

CVE-2018-1172 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.9 7.5
Vector AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity High Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
SUSE Bugzilla entry: 1090089 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 11 SP4
  • squid3 >= 3.1.23-8.16.37.6.1
Patchnames:
slessp4-squid3-13614
SUSE Linux Enterprise Server 12 SP3
  • squid >= 3.5.21-26.9.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-772
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • squid3 >= 3.1.23-8.16.37.6.1
Patchnames:
slessp4-squid3-13614
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • squid >= 3.5.21-26.9.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-772
openSUSE Leap 42.3
  • squid >= 3.5.21-15.1
  • squid-debuginfo >= 3.5.21-15.1
  • squid-debugsource >= 3.5.21-15.1
Patchnames:
openSUSE-2018-412


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Server 11 SP3 LTSS squid Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS squid3 Affected
SUSE Linux Enterprise Server 11 SP4 squid Not affected
SUSE Linux Enterprise Server 11 SP4 squid3 Released
SUSE Linux Enterprise Server 12 SP2 squid Unsupported
SUSE Linux Enterprise Server 12 SP2 LTSS squid Affected
SUSE Linux Enterprise Server 12 SP3 squid Released