Squid Proxy up to 2.4/2.5/2.6 DNS Response memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Squid Proxy up to 2.4/2.5/2.6. This vulnerability affects unknown code of the component DNS Response Handler. This manipulation causes memory corruption. This vulnerability appears as CVE-2002-0163. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Squid Proxy up to 2.4/2.5/2.6 (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component DNS Response Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distributions, allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via compressed DNS responses.

The bug was discovered 03/26/2002. The weakness was presented 04/09/2004 by zen-parse (Website). It is possible to read the advisory at squid-cache.org. This vulnerability is known as CVE-2002-0163. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 13934 (Mandrake Linux Security Advisory : squid (MDKSA-2002:027)), 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. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (8628), Exploit-DB (347), Tenable (13934), SecurityFocus (BID 4363†) and OSVDB (5353†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 🔍

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Nessus ID: 13934
Nessus Name: Mandrake Linux Security Advisory : squid (MDKSA-2002:027)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/26/2002 🔍
03/26/2002 +0 days 🔍
03/26/2002 +0 days 🔍
03/26/2002 +0 days 🔍
04/16/2002 +21 days 🔍
04/09/2004 +723 days 🔍
04/09/2004 +0 days 🔍
07/31/2004 +113 days 🔍
03/03/2005 +215 days 🔍
07/11/2014 +3417 days 🔍
12/16/2024 +3811 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: squid-cache.org
Researcher: zen-parse
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0163 (🔍)
GCVE (CVE): GCVE-0-2002-0163
GCVE (VulDB): GCVE-100-18043
X-Force: 8628
SecurityFocus: 4363 - Squid Compressed DNS Buffer Overflow Vulnerability
OSVDB: 5353 - Squid Compressed DNS Response Overflow
Vulnerability Center: 7211 - Buffer Overflow in Squid < 2.4 STABLE4 and Squid 2.5 and 2.6, High

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

Entryinfo

Created: 07/11/2014 13:48
Updated: 12/16/2024 07:40
Changes: 07/11/2014 13:48 (75), 05/30/2019 14:13 (2), 12/16/2024 07:40 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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