CVE-2016-2570
high-risk
Published 2016-02-27
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.
Do I need to act?
~
5.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (22)
Vendor Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_2.txt
Vendor Advisory
http://www.squid-cache.org/Advisories/SQUID-2016_2.txt
and 2 more references
66
/ 100
high-risk
Severity
26/34 · High
Exploitability
8/34 · Low
Exposure
32/34 · Critical