Squid Proxy up to 2.5.STABLE7 asn_parse_header resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in Squid Proxy up to 2.5.STABLE7 (Firewall Software). It has been declared as critical. This vulnerability affects the function asn_parse_header. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.

The bug was discovered 09/15/2004. The weakness was published 10/05/2004 with iDEFENSE (Website). The advisory is shared for download at idefense.com. This vulnerability was named CVE-2004-0918 since 09/27/2004. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a exploit are known.

It is possible to download the exploit at secunia.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 15547 (Mandrake Linux Security Advisory : squid (MDKSA-2004:112)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at squid-cache.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 15989. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 31470.

The vulnerability is also documented in the databases at X-Force (17688) and Tenable (15547).

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15547
Nessus Name: Mandrake Linux Security Advisory : squid (MDKSA-2004:112)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53268
OpenVAS Name: Debian Security Advisory DSA 576-1 (squid)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: squid-cache.org

Snort ID: 15989
TippingPoint: 🔍

McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

09/15/2004 🔍
09/27/2004 +12 days 🔍
10/05/2004 +8 days 🔍
10/11/2004 +6 days 🔍
10/12/2004 +1 days 🔍
10/12/2004 +0 days 🔍
10/12/2004 +0 days 🔍
10/13/2004 +0 days 🔍
10/18/2004 +5 days 🔍
10/22/2004 +4 days 🔍
01/27/2005 +97 days 🔍
07/07/2008 +1257 days 🔍
06/29/2019 +4009 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: idefense.com
Researcher: http://www.idefense.com
Organization: iDEFENSE
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0918 (🔍)
OVAL: 🔍

X-Force: 17688 - Squid Web Proxy Cache SNMP asn_parse_header denial of service, Medium Risk
Vulnerability Center: 5592 - Squid Web Proxy Cache Allows DoS via the SNMP Module, High
SecuriTeam: securiteam.com
SecurityFocus: 11385 - Squid Proxy SNMP ASN.1 Parser Denial Of Service Vulnerability
Secunia: 30967 - SUSE Update for Multiple Packages, Moderately Critical
OSVDB: 10675 - Squid Web Proxy Cache SNMP Module asn_parse_header() Function Remote DoS
Vupen: ADV-2008-1969

Entryinfo

Created: 10/13/2004 12:22
Updated: 06/29/2019 15:16
Changes: 10/13/2004 12:22 (106), 06/29/2019 15:16 (1)
Complete: 🔍

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