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Debian Security Advisory DSA 3625-1 (squid3 - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several security issues have been discovered in the Squid caching proxy. CVE-2016-4051: CESG and Yuriy M. Kaminskiy discovered that Squid cachemgr.cgi was vulnerable to a buffer overflow when processing remotely supplied inputs relayed through Squid. CVE-2016-4052: CESG discovered that a buffer overflow made Squid vulnerable to a Denial of Service (DoS) attack when processing ESI responses. CVE-2016-4053: CESG found that Squid was vulnerable to public information disclosure of the server stack layout when processing ESI responses. CVE-2016-4054: CESG discovered that Squid was vulnerable to remote code execution when processing ESI responses. CVE-2016-4554: Jianjun Chen found that Squid was vulnerable to a header smuggling attack that could lead to cache poisoning and to bypass of same-origin security policy in Squid and some client browsers. CVE-2016-4555, CVE-2016-4556: 'bfek-18' and '@vftable' found that Squid was vulnerable to a Denial of Service (DoS) attack when processing ESI responses, due to incorrect pointer handling and reference counting.
Affected Software
Affected Software
squid3 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), these problems have been fixed in version 3.4.8-6+deb8u3. For the testing (stretch) and unstable (sid) distributions, these problems have been fixed in version 3.5.19-1. We recommend that you upgrade your squid3 packages.
Common Vulnerabilities and Exposures (CVE)
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