Squid Proxy up to 2.5.STABLE10 sslConnectTimeout denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Squid Proxy up to 2.5.STABLE10. The affected element is the function sslConnectTimeout. The manipulation results in denial of service. This vulnerability is reported as CVE-2005-2796. The attack can be launched remotely. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Squid Proxy up to 2.5.STABLE10 (Firewall Software). Affected is the function sslConnectTimeout. 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 sslConnectTimeout function in ssl.c for Squid 2.5.STABLE10 and earlier allows remote attackers to cause a denial of service (segmentation fault) via certain crafted requests.

The bug was discovered 09/02/2005. The weakness was disclosed 09/01/2005 by Alex Masterov (Website). The advisory is available at squid-cache.org. This vulnerability is traded as CVE-2005-2796 since 09/06/2005. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 21427 (FreeBSD : squid -- Denial Of Service Vulnerability in sslConnectTimeout (4e210d72-1c5c-11da-92ce-0048543d60ce)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117841 (CentOS Security Update for Squid (CESA-2005:766)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at squid-cache.org. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22108), Tenable (21427), SecurityFocus (BID 14731†), OSVDB (19151†) and Secunia (SA16674†). The entries VDB-1025 and VDB-1729 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21427
Nessus Name: FreeBSD : squid -- Denial Of Service Vulnerability in sslConnectTimeout (4e210d72-1c5c-11da-92ce-0048543d60ce)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 55308
OpenVAS Name: Debian Security Advisory DSA 809-1 (squid)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: squid-cache.org

Timelineinfo

09/01/2005 🔍
09/01/2005 +0 days 🔍
09/02/2005 +1 days 🔍
09/02/2005 +0 days 🔍
09/02/2005 +0 days 🔍
09/04/2005 +1 days 🔍
09/05/2005 +1 days 🔍
09/06/2005 +1 days 🔍
09/07/2005 +1 days 🔍
09/20/2005 +13 days 🔍
05/13/2006 +235 days 🔍
07/04/2019 +4800 days 🔍

Sourcesinfo

Vendor: squid-cache.org

Advisory: squid-cache.org
Researcher: Alex Masterov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2796 (🔍)
GCVE (CVE): GCVE-0-2005-2796
GCVE (VulDB): GCVE-100-1722

OVAL: 🔍

X-Force: 22108
SecurityFocus: 14731 - Squid Proxy SSLConnectTimeout Remote Denial Of Service Vulnerability
Secunia: 16674 - Squid "sslConnectTimeout()" Denial of Service Vulnerability, Moderately Critical
OSVDB: 19151 - Squid Unspecified Malformed Request sslConnectTimeout() DoS
SecurityTracker: 1014846
Vulnerability Center: 9214 - Squid Denial of Service via sslConnectTimeout Function in ssl.c, High

See also: 🔍

Entryinfo

Created: 09/05/2005 12:03
Updated: 07/04/2019 10:40
Changes: 09/05/2005 12:03 (96), 07/04/2019 10:40 (2)
Complete: 🔍
Cache ID: 216:D57:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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