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redhat/jbcs-httpd24-httpdInfoleak, Weak Encryption

Risk 45
Severity
7.5
Infoleak, Weak Encryption
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

A flaw was found in the way the DES/3DES cipher was used as part of the TLS/SSL protocol. A man-in-the-middle attacker could use this flaw to recover some plaintext data by capturing large amounts of encrypted traffic between TLS/SSL server and client if the communication used a DES/3DES based ciphersuite.

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Remedy

1.SSL/TLS configurations should prefer AES over DES. Versions of OpenSSL shipped with Red Hat Enterprise Linux 6 and 7 already do so. In the version of OpenSSL shipped with Red Hat Enterprise Linux 5, 3DES is listed below the AES-256 cipher and above the AES-128 cipher, therefore AES-256 based ciphersuite should not be disabled on the server. 2. Servers using OpenSSL, should not disable AES-128 and AES-256 ciphersuites. Versions of Apache shipped with Red Hat Enterprise Linux use the default cipher string, in which AES is preferred over DES/3DES based ciphersuites. For JBoss Middleware, and Java mitigations, please review this knowledge base article: https://access.redhat.com/articles/2598471 This can be mitigated on OpenShift Container Platform (OCP) by disabling the vulnerable TLS cipher suite in the applicable component. TLS configuration options for OCP are described here: https://access.redhat.com/articles/5348961
First published (updated )
CVE-2016-2183

redhat/httpdprotocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header informat…

Risk 22
Severity
4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

A flaw was found in the default error response for status code 400. This could be used by an attacker to expose "httpOnly" cookies, when no custom ErrorDocument was specified.

This affects all versions of Apache from 2.2.0 up to and including 2.2.21. It will be fixed upstream in 2.2.22 (via r1235454 [1]).

[1] http://svn.apache.org/viewvc?view=revision&revision=1235454

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First published (updated )
CVE-2012-0053

redhat/httpdscoreboard.c in the Apache HTTP Server 2.2.21 and earlier might allow local users to cause a denial …

Risk 34
Severity
4.6
AV:L/AC:L/Au:N/C:P/I:P/A:P

Apache 2.2 fixed a possible crash on shutdown if a child changes the sbtype field in the scoreboard. Since unprivileged children should not be able to affect the parent in this way, this is treated as a Low severity security issue [1].

The reporter has a nice writeup of the flaw as well [2].

[1] http://svn.apache.org/viewvc?view=revision&revision=1230065 [2] http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/

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First published (updated )
CVE-2012-0031

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