CVE-2016-2569

HIGH

Squid - Improper Input Validation

Title source: rule

Description

Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.

Exploits (2)

nomisec WRITEUP 6 stars

by amit-raut · poc

https://github.com/amit-raut/CVE-2016-2569

View Code ZIP pw:eip

gitlab WRITEUP

by amit-raut · poc

https://gitlab.com/amit-raut/CVE-2016-2569

View Code ZIP pw:eip

References (11)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html

[Mailing List] http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2016-2600.html

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1035101

[Vendor Advisory] http://www.squid-cache.org/Advisories/SQUID-2016_2.txt

[Various Sources] http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13991.patch

[Various Sources] http://www.squid-cache.org/Versions/v4/changesets/squid-4-14552.patch

[Vendor Advisory] https://usn.ubuntu.com/3557-1/

[Third Party Advisory] https://security.gentoo.org/glsa/201607-01

[Mailing List] http://www.openwall.com/lists/oss-security/2016/02/26/2

Scores

CVSS v3 7.5

EPSS 0.7032

EPSS Percentile 98.7%

Attack Vector NETWORK

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

Details

CWE

CWE-20

Status published

Products (40)

squid-cache/squid 3.0 (9 CPE variants)

squid-cache/squid 3.0.stable1

squid-cache/squid 3.0.stable2

squid-cache/squid 3.0.stable3

squid-cache/squid 3.0.stable4

squid-cache/squid 3.0.stable5

squid-cache/squid 3.0.stable6

squid-cache/squid 3.0.stable7

squid-cache/squid 3.0.stable8

squid-cache/squid 3.0.stable9

... and 30 more

Published Feb 27, 2016

Tracked Since Feb 18, 2026