CVE-2015-5400

Severity Score

6.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

Vulnerabilidad en Squid en versiones anteriores a 3.5.6, no maneja adecuadamente las respuestas de pares del método CONNECT cuando se configura con cache_peer, lo que permite a atacantes remotos eludir las restricciones previstas y obtener acceso a un proxy backend a través de una solicitud CONNECT.

*Credits: N/A

CVSS Scores

NISTv2 6.8

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-07-06 CVE Reserved
2015-08-04 CVE Published
2023-03-10 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls

CAPEC

References (15)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2015/07/06/8	Mailing List
http://www.openwall.com/lists/oss-security/2015/07/09/12	Mailing List
http://www.openwall.com/lists/oss-security/2015/07/10/2	Mailing List
http://www.securityfocus.com/bid/75553	Vdb Entry
http://www.securitytracker.com/id/1032873	Vdb Entry

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2015/07/17/14	2024-08-06
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10494.patch	2024-08-06
http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13225.patch	2024-08-06
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13856.patch	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183598.html	2017-09-22
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html	2017-09-22
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html	2017-09-22
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html	2017-09-22
http://www.debian.org/security/2015/dsa-3327	2017-09-22
http://www.squid-cache.org/Advisories/SQUID-2015_2.txt	2017-09-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				22 Search vendor "Fedoraproject" for product "Fedora" and version "22"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Squid-cache Search vendor "Squid-cache"		Squid Search vendor "Squid-cache" for product "Squid"				<= 3.5.2 Search vendor "Squid-cache" for product "Squid" and version " <= 3.5.2"		-		Affected