Bug 789309 (CVE-2020-25097, CVE-2021-28651, CVE-2021-28652, CVE-2021-28662, CVE-2021-31806, CVE-2021-31807, CVE-2021-31808, SQUID-2020-11, SQUID-2021-1, SQUID-2021-2, SQUID-2021-3, SQUID-2021-4, SQUID-2021-5)

Summary:	<net-proxy/squid-4.15: Multiple vulnerabilities
Product:	Gentoo Security	Reporter:	Sam James <sam>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	minor	CC:	zlogene
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	B3 [glsa+ cve]
Package list:		Runtime testing required:	---

Description Sam James archtester

2021-05-10 13:19:56 UTC

* CVE-2020-25097 (SQUID-2020:11)

Description:
"Due to improper input validation Squid is vulnerable to an HTTP
Request Smuggling attack."

* CVE-2021-28651 (SQUID-2021:1)

Description:
"Due to a buffer management bug Squid is vulnerable to a
Denial of service attack against the server it is operating on.

This attack is limited to proxies which attempt to resolve a
"urn:" resource identifier. Support for this resolving is enabled
by default in all Squid."

* CVE-2021-28662 (SQUID-2021:2)

Description:
"Due to an input validation bug Squid is vulnerable to a Denial
of Service against all clients using the proxy.

This problem allows a remote server to perform Denial of Service
when delivering HTTP Response messages. The issue trigger is a
header which can be expected to exist in HTTP traffic without any
malicious intent by the server."

* CVE-2021-28652 (SQUID-2021:3)

Description:
"Due to an incorrect parser validation bug Squid is vulnerable to
a Denial of Service attack against the Cache Manager API."

* ? (SQUID-2021:5)

Description:
"Due to an input validation bug Squid is vulnerable to a Denial
of Service against all clients using the proxy.

This problem allows a remote server to perform Denial of Service
when delivering HTTP Response messages. The issue trigger is a
header which can be expected to exist in HTTP traffic without
any malicious intent by the server."

Comment 1 Sam James archtester

2021-05-10 13:23:51 UTC

* CVE-2021-31806, CVE-2021-31807, CVE-2021-31808

Description:
"Due to an incorrect input validation bug Squid is vulnerable to
a Denial of Service attack against all clients using the proxy.

Due to an incorrect memory management bug Squid is vulnerable to
a Denial of Service attack against all clients using the proxy.

Due to an integer overflow bug Squid is vulnerable to a Denial
of Service attack against all clients using the proxy."

Comment 2 Sam James archtester

2021-05-15 00:59:21 UTC

ping

Comment 3 Mikle Kolyada (RETIRED) archtester

2021-05-17 08:05:08 UTC

No glsa.

Comment 4 Thomas Deutschmann (RETIRED) gentoo-dev

2021-05-24 17:50:23 UTC

Added to an existing GLSA request.

Comment 5 GLSAMaker/CVETool Bot gentoo-dev

2021-05-26 08:55:21 UTC

This issue was resolved and addressed in
 GLSA 202105-14 at https://security.gentoo.org/glsa/202105-14
by GLSA coordinator Thomas Deutschmann (whissi).