Squid Proxy 3.4.6/3.4.7 Pinger Large ICMPv4/ICMPv6 Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Squid Proxy 3.4.6/3.4.7. It has been declared as problematic. The impacted element is an unknown function of the component Pinger. Executing a manipulation as part of Large ICMPv4/ICMPv6 Packet can lead to input validation. The identification of this vulnerability is CVE-2014-7142. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Squid Proxy 3.4.6/3.4.7 (Firewall Software). This vulnerability affects some unknown processing of the component Pinger. The manipulation as part of a Large ICMPv4/ICMPv6 Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

The pinger in Squid 3.x before 3.4.8 allows remote attackers to obtain sensitive information or cause a denial of service (crash) via a crafted (1) ICMP or (2) ICMP6 packet size.

The weakness was shared 10/06/2014 by Sebastian Krahmer as SQUID-2014:4 as confirmed advisory (Website). The advisory is shared for download at squid-cache.org. This vulnerability was named CVE-2014-7142 since 09/22/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

Due to incorrect bounds checking Squid pinger binary is vulnerable to denial of service or information leak attack when processing larger than normal ICMP or ICMPv6 packets.

The vulnerability scanner Nessus provides a plugin with the ID 79609 (GLSA-201411-11 : Squid: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169027 (SUSE Enterprise Linux Security Update for squid3 (SUSE-SU-2016:1996-1)).

Upgrading to version 3.4.8 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (98933), Tenable (79609), SecurityFocus (BID 70022†), Secunia (SA60242†) and SecurityTracker (ID 1031261†). Additional details are provided at bugzilla.redhat.com. The entries VDB-4435, VDB-7183, VDB-9526 and VDB-67519 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 79609
Nessus Name: GLSA-201411-11 : Squid: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103320
OpenVAS Name: Squid Pinger ICMP Processing Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Proxy 3.4.8

Timelineinfo

09/09/2014 🔍
09/09/2014 +0 days 🔍
09/22/2014 +13 days 🔍
10/06/2014 +14 days 🔍
11/15/2014 +40 days 🔍
11/25/2014 +10 days 🔍
11/26/2014 +1 days 🔍
11/26/2014 +0 days 🔍
11/26/2014 +0 days 🔍
12/08/2014 +12 days 🔍
02/27/2022 +2638 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: SQUID-2014:4
Researcher: Sebastian Krahmer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-7142 (🔍)
GCVE (CVE): GCVE-0-2014-7142
GCVE (VulDB): GCVE-100-68284

OVAL: 🔍

X-Force: 98933 - Squid pinger ICMP denial of service, High Risk
SecurityFocus: 70022 - Squid CVE-2014-7142 Unspecified Security Vulnerability
Secunia: 60242 - Ubuntu update for squid3, Less Critical
SecurityTracker: 1031261 - Squid ICMP Bugs Let Remote Users Deny Service and Local Users Obtain Potentially Sensitive Information
Vulnerability Center: 47472 - Squid 3.x before 3.4.8 Remote Information Disclosure or DoS via Crafted Packets - CVE-2014-7142, Medium

Misc.: 🔍
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Entryinfo

Created: 11/26/2014 10:23
Updated: 02/27/2022 09:36
Changes: 11/26/2014 10:23 (81), 06/14/2017 11:47 (13), 02/27/2022 09:36 (3)
Complete: 🔍
Cache ID: 216::103

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