CVE-2016-2570 Information

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Description

The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) via a crafted XML document related to esi/CustomParser.cc and esi/CustomParser.h.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html http://rhn.redhat.com/errata/RHSA-2016-2600.html http://www.openwall.com/lists/oss-security/2016/02/26/2 http://www.securitytracker.com/id/1035101 http://www.squid-cache.org/Advisories/SQUID-2016_2.txt http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13993.patch http://www.squid-cache.org/Versions/v4/changesets/squid-4-14549.patch https://security.gentoo.org/glsa/201607-01 https://usn.ubuntu.com/3557-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5