Executive Summary
Summary | |
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Title | squid security, bug fix, and enhancement update |
Informations | |||
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Name | RHSA-2016:2600 | First vendor Publication | 2016-11-03 |
Vendor | RedHat | Last vendor Modification | 2016-11-03 |
Severity (Vendor) | N/A | Revision | 02 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P) | |||
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Cvss Base Score | 5 | Attack Range | Network |
Cvss Impact Score | 2.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The following packages have been upgraded to a newer upstream version: squid (3.5.20). (BZ#1273942, BZ#1349775) Security Fix(es): * Incorrect boundary checks were found in the way squid handled headers in HTTP responses, which could lead to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-2569, CVE-2016-2570) * It was found that squid did not properly handle errors when failing to parse an HTTP response, possibly leading to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-2571, CVE-2016-2572) * An incorrect boundary check was found in the way squid handled the Vary header in HTTP responses, which could lead to an assertion failure. A malicious HTTP server could use this flaw to crash squid using a specially crafted HTTP response. (CVE-2016-3948) Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing this update, the squid service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1254016 - IPv4 fallback is not working when connecting to a dualstack host with non-functional IPv6 1254018 - should BuildRequire: g++ 1299972 - squid file descriptor limit hardcoded to 16384 via compile option in spec file 1312257 - CVE-2016-2569 CVE-2016-2570 squid: some code paths fail to check bounds in string object 1312262 - CVE-2016-2571 CVE-2016-2572 squid: wrong error handling for malformed HTTP responses 1323594 - CVE-2016-3948 squid: denial of service issue in HTTP response processing 1330186 - digest doesn't properly work with squid 3.3 on CentOS 7 1336940 - Disable squid systemd unit start/stop timeouts |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2016-2600.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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80 % | CWE-20 | Improper Input Validation |
20 % | CWE-119 | Failure to Constrain Operations within the Bounds of a Memory Buffer |
CPE : Common Platform Enumeration
Snort® IPS/IDS
Date | Description |
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2018-03-29 | Squid HTTP Vary response header denial of service attempt RuleID : 45757 - Revision : 1 - Type : SERVER-OTHER |
2018-03-29 | Squid HTTP Accept Encoding response header denial of service attempt RuleID : 45756 - Revision : 1 - Type : SERVER-OTHER |
2017-02-23 | Squid HTTP Vary response header denial of service attempt RuleID : 41379 - Revision : 1 - Type : SERVER-OTHER |
Nessus® Vulnerability Scanner
Date | Description |
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2017-05-01 | Name : The remote EulerOS host is missing multiple security updates. File : EulerOS_SA-2016-1056.nasl - Type : ACT_GATHER_INFO |
2016-12-15 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20161103_squid_on_SL7_x.nasl - Type : ACT_GATHER_INFO |
2016-11-28 | Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2016-2600.nasl - Type : ACT_GATHER_INFO |
2016-11-11 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2016-2600.nasl - Type : ACT_GATHER_INFO |
2016-11-04 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2016-2600.nasl - Type : ACT_GATHER_INFO |
2016-09-02 | Name : The remote SUSE host is missing one or more security updates. File : suse_SU-2016-2089-1.nasl - Type : ACT_GATHER_INFO |
2016-09-02 | Name : The remote SUSE host is missing one or more security updates. File : suse_SU-2016-2008-1.nasl - Type : ACT_GATHER_INFO |
2016-09-02 | Name : The remote SUSE host is missing one or more security updates. File : suse_SU-2016-1996-1.nasl - Type : ACT_GATHER_INFO |
2016-08-17 | Name : The remote openSUSE host is missing a security update. File : openSUSE-2016-988.nasl - Type : ACT_GATHER_INFO |
2016-07-15 | Name : The remote Fedora host is missing a security update. File : fedora_2016-b3b9407940.nasl - Type : ACT_GATHER_INFO |
2016-07-15 | Name : The remote Fedora host is missing a security update. File : fedora_2016-95edf19d8a.nasl - Type : ACT_GATHER_INFO |
2016-07-11 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201607-01.nasl - Type : ACT_GATHER_INFO |
2016-05-09 | Name : The remote Fedora host is missing one or more security updates. File : fedora_2016-7b40eb9e29.nasl - Type : ACT_GATHER_INFO |
2016-04-05 | Name : The remote FreeBSD host is missing a security-related update. File : freebsd_pkg_297117baf92d11e592ce002590263bf5.nasl - Type : ACT_GATHER_INFO |
2016-03-21 | Name : The remote Debian host is missing a security-related update. File : debian_DSA-3522.nasl - Type : ACT_GATHER_INFO |
2016-03-08 | Name : The remote Ubuntu host is missing a security-related patch. File : ubuntu_USN-2921-1.nasl - Type : ACT_GATHER_INFO |
2016-03-02 | Name : The remote proxy server is potentially affected by multiple denial of service... File : squid_4_0_7.nasl - Type : ACT_GATHER_INFO |
2016-03-01 | Name : The remote Debian host is missing a security update. File : debian_DLA-445.nasl - Type : ACT_GATHER_INFO |
2016-02-25 | Name : The remote FreeBSD host is missing a security-related update. File : freebsd_pkg_660ebbf5daeb11e5b2bd002590263bf5.nasl - Type : ACT_GATHER_INFO |
Alert History
Date | Informations |
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2016-11-29 13:23:41 |
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2016-11-12 13:25:32 |
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2016-11-05 13:24:39 |
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2016-11-03 13:22:43 |
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