VDB-828 · CVE-2004-2654 · SA12754

Squid Proxy up to 2.5.STABLE6 clientAbortBody denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Squid Proxy up to 2.5.STABLE6. This vulnerability affects the function clientAbortBody. The manipulation results in denial of service. This vulnerability was named CVE-2004-2654. The attack may be performed from remote. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Squid Proxy up to 2.5.STABLE6 (Firewall Software). Affected is the function clientAbortBody. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The clientAbortBody function in client_side.c in Squid Web Proxy Cache before 2.6 STABLE6 allows remote attackers to cause a denial of service (segmentation fault) via unspecified vectors that trigger a null dereference. NOTE: in a followup advisory, a researcher claimed that the issue was a buffer overflow that was not fixed in STABLE6. However, the vendor s bug report clearly shows that the researcher later retracted this claim, because the tested product was actually STABLE5.

The bug was discovered 09/11/2004. The weakness was presented 09/13/2004 by M. A. Young and d3thStaR with !SUI Crew (Website). The advisory is shared for download at rootthief.com. This vulnerability is traded as CVE-2004-2654 since 02/24/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.

After even before and not, there has been an exploit disclosed. The exploit is shared for download at rootthief.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 138 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at squid-cache.org.

The vulnerability is also documented in the databases at OSVDB (9801†), Secunia (SA12754†) and SecurityTracker (ID 1011214†). Further details are available at secunia.com. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Squid

Name

Proxy

Version

2.5.STABLE6

License

open-source

Website

Vendor: http://www.squid-cache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

ATK: 218

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: squid-cache.org

Timelineinfo

04/27/2004 🔍
09/11/2004 +137 days 🔍
09/11/2004 +0 days 🔍
09/12/2004 +0 days 🔍
09/13/2004 +1 days 🔍
09/13/2004 +0 days 🔍
10/07/2004 +24 days 🔍
12/31/2004 +85 days 🔍
02/24/2006 +420 days 🔍
06/29/2019 +4873 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: rootthief.com
Researcher: M. A. Young, d3thStaR
Organization: !SUI Crew
Status: Confirmed

CVE: CVE-2004-2654 (🔍)
GCVE (CVE): GCVE-0-2004-2654
GCVE (VulDB): GCVE-100-828
Secunia: 12754 - Fedora update for squid, Less Critical
OSVDB: 9801 - Squid Proxy clientAbortBody() Null Dereference DoS
SecurityTracker: 1011214

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 09/13/2004 16:38
Updated: 06/29/2019 10:40
Changes: 09/13/2004 16:38 (75), 06/29/2019 10:40 (4)
Complete: 🔍
Cache ID: 216::103