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HistoryFeb 22, 2018 - 11:45 p.m.

[SECURITY] [DSA 4122-1] squid3 security update

2018-02-2223:45:07
lists.debian.org
14

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.016 Low

EPSS

Percentile

86.9%


Debian Security Advisory DSA-4122-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
February 23, 2018 https://www.debian.org/security/faq


Package : squid3
CVE ID : CVE-2018-1000024 CVE-2018-1000027
Debian Bug : 888719 888720

Several vulnerabilities have been discovered in Squid3, a fully featured
web proxy cache. The Common Vulnerabilities and Exposures project
identifies the following issues:

CVE-2018-1000024

Louis Dion-Marcil discovered that Squid does not properly handle
processing of certain ESI responses. A remote server delivering
certain ESI response syntax can take advantage of this flaw to cause
a denial of service for all clients accessing the Squid service.
This problem is limited to the Squid custom ESI parser.

http://www.squid-cache.org/Advisories/SQUID-2018_1.txt

CVE-2018-1000027

Louis Dion-Marcil discovered that Squid is prone to a denial of
service vulnerability when processing ESI responses or downloading
intermediate CA certificates. A remote attacker can take advantage
of this flaw to cause a denial of service for all clients accessing
the Squid service.

http://www.squid-cache.org/Advisories/SQUID-2018_2.txt

For the oldstable distribution (jessie), these problems have been fixed
in version 3.4.8-6+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 3.5.23-5+deb9u1.

We recommend that you upgrade your squid3 packages.

For the detailed security status of squid3 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/squid3

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.016 Low

EPSS

Percentile

86.9%

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