High severity · published May 10, 2016
CVE-2016-4555
client_side_request.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via crafted Edge Side Includes (ESI) responses
7.5
CVSS
18.2%
EPSS
No
On KEV
Description
client_side_request.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via crafted Edge Side Includes (ESI) responses.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)18.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Oracle
6; 7 · source: NVD
SQ
Squid · Squid-cache
3.0; 3.1; 3.1.0.1; 3.1.0.2; 3.1.0.3; 3.1.0.4; +34 more · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4555
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4555
Exploit
http://bugs.squid-cache.org/show_bug.cgi?id=4455
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
www.debian.org
http://www.debian.org/security/2016/dsa-3625
Patch
http://www.openwall.com/lists/oss-security/2016/05/06/3
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