Upstream information

CVE-2018-1000027 at MITRE

Description

The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  SUSE
Base Score 5.4
Vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Access Vector Network
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact Low
Availability Impact Low
SUSE Bugzilla entry: 1077006 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Server Applications 15
  • squid >= 4.0.23-3.47
Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 GA squid
SUSE Linux Enterprise Server 11 SP4
  • squid3 >= 3.1.23-8.16.37.3.1
Patchnames:
slessp4-squid3-13521
SUSE Linux Enterprise Server 12 SP2
  • squid >= 3.5.21-26.6.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2018-428
SUSE Linux Enterprise Server 12 SP3
  • squid >= 3.5.21-26.6.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-428
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • squid >= 3.5.21-26.6.1
Patchnames:
SUSE-SLE-RPI-12-SP2-2018-428
openSUSE Leap 42.3
  • squid >= 3.5.21-12.1
  • squid-debuginfo >= 3.5.21-12.1
  • squid-debugsource >= 3.5.21-12.1
Patchnames:
openSUSE-2018-238


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Affected
SUSE Linux Enterprise Server 11 SP3 LTSS squid3 Affected
SUSE Linux Enterprise Server 11 SP4 squid Affected
SUSE Linux Enterprise Server 11 SP4 squid3 Released
SUSE Linux Enterprise Server 12 SP2 squid Released
SUSE Linux Enterprise Server 12 SP3 squid Released
SUSE Linux Enterprise Server for SAP 11 SP2 squid Affected
SUSE Linux Enterprise Server for SAP 11 SP2 squid3 Affected
SUSE Linux Enterprise Server for SAP AIO 11 SP1 squid Affected
SUSE Linux Enterprise Server for SAP AIO 11 SP1 squid3 Affected
SUSE Linux Enterprise Server for SAP ES 11 SP1 squid Affected
SUSE Linux Enterprise Server for SAP ES 11 SP1 squid3 Affected